40248520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:227

約数の個数: 128

約数和(自身を含む): 107503200

約数和(自身を除く): 67254680

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 29, 34, 40, 52, 58, 65, 68, 85, 104, 116, 130, 136, 145, 157, 170, 221, 232, 260, 290, 314, 340, 377, 442, 493, 520, 580, 628, 680, 754, 785, 884, 986, 1105, 1160, 1256, 1508, 1570, 1768, 1885, 1972, 2041, 2210, 2465, 2669, 3016, 3140, 3770, 3944, 4082, 4420, 4553, 4930, 5338, 6280, 6409, 7540, 8164, 8840, 9106, 9860, 10205, 10676, 12818, 13345, 15080, 16328, 18212, 19720, 20410, 21352, 22765, 25636, 26690, 32045, 34697, 36424, 40820, 45530, 51272, 53380, 59189, 64090, 69394, 77401, 81640, 91060, 106760, 118378, 128180, 138788, 154802, 173485, 182120, 236756, 256360, 277576, 295945, 309604, 346970, 387005, 473512, 591890, 619208, 693940, 774010, 1006213, 1183780, 1387880, 1548020, 2012426, 2367560, 3096040, 4024852, 5031065, 8049704, 10062130, 20124260, 40248520]

約数ペア:

[(1, 40248520), (2, 20124260), (4, 10062130), (5, 8049704), (8, 5031065), (10, 4024852), (13, 3096040), (17, 2367560), (20, 2012426), (26, 1548020), (29, 1387880), (34, 1183780), (40, 1006213), (52, 774010), (58, 693940), (65, 619208), (68, 591890), (85, 473512), (104, 387005), (116, 346970), (130, 309604), (136, 295945), (145, 277576), (157, 256360), (170, 236756), (221, 182120), (232, 173485), (260, 154802), (290, 138788), (314, 128180), (340, 118378), (377, 106760), (442, 91060), (493, 81640), (520, 77401), (580, 69394), (628, 64090), (680, 59189), (754, 53380), (785, 51272), (884, 45530), (986, 40820), (1105, 36424), (1160, 34697), (1256, 32045), (1508, 26690), (1570, 25636), (1768, 22765), (1885, 21352), (1972, 20410), (2041, 19720), (2210, 18212), (2465, 16328), (2669, 15080), (3016, 13345), (3140, 12818), (3770, 10676), (3944, 10205), (4082, 9860), (4420, 9106), (4553, 8840), (4930, 8164), (5338, 7540), (6280, 6409)]