805733560

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^2\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:289

約数の個数: 96

約数和(自身を含む): 1892328480

約数和(自身を除く): 1086594920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 71, 101, 106, 142, 202, 212, 265, 284, 355, 404, 424, 505, 530, 568, 710, 808, 1010, 1060, 1420, 2020, 2120, 2809, 2840, 3763, 4040, 5353, 5618, 7171, 7526, 10706, 11236, 14045, 14342, 15052, 18815, 21412, 22472, 26765, 28090, 28684, 30104, 35855, 37630, 42824, 53530, 56180, 57368, 71710, 75260, 107060, 112360, 143420, 150520, 199439, 214120, 283709, 286840, 380063, 398878, 567418, 760126, 797756, 997195, 1134836, 1418545, 1520252, 1595512, 1900315, 1994390, 2269672, 2837090, 3040504, 3800630, 3988780, 5674180, 7601260, 7977560, 11348360, 15202520, 20143339, 40286678, 80573356, 100716695, 161146712, 201433390, 402866780, 805733560]

約数ペア:

[(1, 805733560), (2, 402866780), (4, 201433390), (5, 161146712), (8, 100716695), (10, 80573356), (20, 40286678), (40, 20143339), (53, 15202520), (71, 11348360), (101, 7977560), (106, 7601260), (142, 5674180), (202, 3988780), (212, 3800630), (265, 3040504), (284, 2837090), (355, 2269672), (404, 1994390), (424, 1900315), (505, 1595512), (530, 1520252), (568, 1418545), (710, 1134836), (808, 997195), (1010, 797756), (1060, 760126), (1420, 567418), (2020, 398878), (2120, 380063), (2809, 286840), (2840, 283709), (3763, 214120), (4040, 199439), (5353, 150520), (5618, 143420), (7171, 112360), (7526, 107060), (10706, 75260), (11236, 71710), (14045, 57368), (14342, 56180), (15052, 53530), (18815, 42824), (21412, 37630), (22472, 35855), (26765, 30104), (28090, 28684)]