31927520

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:244

約数の個数: 96

約数和(自身を含む): 80269056

約数和(自身を除く): 48341536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 80, 82, 124, 155, 157, 160, 164, 205, 248, 310, 314, 328, 410, 496, 620, 628, 656, 785, 820, 992, 1240, 1256, 1271, 1312, 1570, 1640, 2480, 2512, 2542, 3140, 3280, 4867, 4960, 5024, 5084, 6280, 6355, 6437, 6560, 9734, 10168, 12560, 12710, 12874, 19468, 20336, 24335, 25120, 25420, 25748, 32185, 38936, 40672, 48670, 50840, 51496, 64370, 77872, 97340, 101680, 102992, 128740, 155744, 194680, 199547, 203360, 205984, 257480, 389360, 399094, 514960, 778720, 798188, 997735, 1029920, 1596376, 1995470, 3192752, 3990940, 6385504, 7981880, 15963760, 31927520]

約数ペア:

[(1, 31927520), (2, 15963760), (4, 7981880), (5, 6385504), (8, 3990940), (10, 3192752), (16, 1995470), (20, 1596376), (31, 1029920), (32, 997735), (40, 798188), (41, 778720), (62, 514960), (80, 399094), (82, 389360), (124, 257480), (155, 205984), (157, 203360), (160, 199547), (164, 194680), (205, 155744), (248, 128740), (310, 102992), (314, 101680), (328, 97340), (410, 77872), (496, 64370), (620, 51496), (628, 50840), (656, 48670), (785, 40672), (820, 38936), (992, 32185), (1240, 25748), (1256, 25420), (1271, 25120), (1312, 24335), (1570, 20336), (1640, 19468), (2480, 12874), (2512, 12710), (2542, 12560), (3140, 10168), (3280, 9734), (4867, 6560), (4960, 6437), (5024, 6355), (5084, 6280)]