2100025720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{887}}^1$

素因数の和:1097

約数の個数: 128

約数和(自身を含む): 5303491200

約数和(自身を除く): 3203465480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 58, 65, 104, 116, 130, 145, 157, 232, 260, 290, 314, 377, 520, 580, 628, 754, 785, 887, 1160, 1256, 1508, 1570, 1774, 1885, 2041, 3016, 3140, 3548, 3770, 4082, 4435, 4553, 6280, 7096, 7540, 8164, 8870, 9106, 10205, 11531, 15080, 16328, 17740, 18212, 20410, 22765, 23062, 25723, 35480, 36424, 40820, 45530, 46124, 51446, 57655, 59189, 81640, 91060, 92248, 102892, 115310, 118378, 128615, 139259, 182120, 205784, 230620, 236756, 257230, 278518, 295945, 334399, 461240, 473512, 514460, 557036, 591890, 668798, 696295, 1028920, 1114072, 1183780, 1337596, 1392590, 1671995, 1810367, 2367560, 2675192, 2785180, 3343990, 3620734, 4038511, 5570360, 6687980, 7241468, 8077022, 9051835, 13375960, 14482936, 16154044, 18103670, 20192555, 32308088, 36207340, 40385110, 52500643, 72414680, 80770220, 105001286, 161540440, 210002572, 262503215, 420005144, 525006430, 1050012860, 2100025720]

約数ペア:

[(1, 2100025720), (2, 1050012860), (4, 525006430), (5, 420005144), (8, 262503215), (10, 210002572), (13, 161540440), (20, 105001286), (26, 80770220), (29, 72414680), (40, 52500643), (52, 40385110), (58, 36207340), (65, 32308088), (104, 20192555), (116, 18103670), (130, 16154044), (145, 14482936), (157, 13375960), (232, 9051835), (260, 8077022), (290, 7241468), (314, 6687980), (377, 5570360), (520, 4038511), (580, 3620734), (628, 3343990), (754, 2785180), (785, 2675192), (887, 2367560), (1160, 1810367), (1256, 1671995), (1508, 1392590), (1570, 1337596), (1774, 1183780), (1885, 1114072), (2041, 1028920), (3016, 696295), (3140, 668798), (3548, 591890), (3770, 557036), (4082, 514460), (4435, 473512), (4553, 461240), (6280, 334399), (7096, 295945), (7540, 278518), (8164, 257230), (8870, 236756), (9106, 230620), (10205, 205784), (11531, 182120), (15080, 139259), (16328, 128615), (17740, 118378), (18212, 115310), (20410, 102892), (22765, 92248), (23062, 91060), (25723, 81640), (35480, 59189), (36424, 57655), (40820, 51446), (45530, 46124)]