40850560

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:150

約数の個数: 128

約数和(自身を含む): 105753600

約数和(自身を除く): 64903040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 32, 40, 58, 62, 64, 71, 80, 116, 124, 128, 142, 145, 155, 160, 232, 248, 284, 290, 310, 320, 355, 464, 496, 568, 580, 620, 640, 710, 899, 928, 992, 1136, 1160, 1240, 1420, 1798, 1856, 1984, 2059, 2201, 2272, 2320, 2480, 2840, 3596, 3712, 3968, 4118, 4402, 4495, 4544, 4640, 4960, 5680, 7192, 8236, 8804, 8990, 9088, 9280, 9920, 10295, 11005, 11360, 14384, 16472, 17608, 17980, 18560, 19840, 20590, 22010, 22720, 28768, 32944, 35216, 35960, 41180, 44020, 45440, 57536, 63829, 65888, 70432, 71920, 82360, 88040, 115072, 127658, 131776, 140864, 143840, 164720, 176080, 255316, 263552, 281728, 287680, 319145, 329440, 352160, 510632, 575360, 638290, 658880, 704320, 1021264, 1276580, 1317760, 1408640, 2042528, 2553160, 4085056, 5106320, 8170112, 10212640, 20425280, 40850560]

約数ペア:

[(1, 40850560), (2, 20425280), (4, 10212640), (5, 8170112), (8, 5106320), (10, 4085056), (16, 2553160), (20, 2042528), (29, 1408640), (31, 1317760), (32, 1276580), (40, 1021264), (58, 704320), (62, 658880), (64, 638290), (71, 575360), (80, 510632), (116, 352160), (124, 329440), (128, 319145), (142, 287680), (145, 281728), (155, 263552), (160, 255316), (232, 176080), (248, 164720), (284, 143840), (290, 140864), (310, 131776), (320, 127658), (355, 115072), (464, 88040), (496, 82360), (568, 71920), (580, 70432), (620, 65888), (640, 63829), (710, 57536), (899, 45440), (928, 44020), (992, 41180), (1136, 35960), (1160, 35216), (1240, 32944), (1420, 28768), (1798, 22720), (1856, 22010), (1984, 20590), (2059, 19840), (2201, 18560), (2272, 17980), (2320, 17608), (2480, 16472), (2840, 14384), (3596, 11360), (3712, 11005), (3968, 10295), (4118, 9920), (4402, 9280), (4495, 9088), (4544, 8990), (4640, 8804), (4960, 8236), (5680, 7192)]