25902220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:163

約数の個数: 96

約数和(自身を含む): 62052480

約数和(自身を除く): 36150260

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 37, 58, 68, 71, 74, 85, 116, 142, 145, 148, 170, 185, 284, 290, 340, 355, 370, 493, 580, 629, 710, 740, 986, 1073, 1207, 1258, 1420, 1972, 2059, 2146, 2414, 2465, 2516, 2627, 3145, 4118, 4292, 4828, 4930, 5254, 5365, 6035, 6290, 8236, 9860, 10295, 10508, 10730, 12070, 12580, 13135, 18241, 20590, 21460, 24140, 26270, 35003, 36482, 41180, 44659, 52540, 70006, 72964, 76183, 89318, 91205, 140012, 152366, 175015, 178636, 182410, 223295, 304732, 350030, 364820, 380915, 446590, 700060, 761830, 893180, 1295111, 1523660, 2590222, 5180444, 6475555, 12951110, 25902220]

約数ペア:

[(1, 25902220), (2, 12951110), (4, 6475555), (5, 5180444), (10, 2590222), (17, 1523660), (20, 1295111), (29, 893180), (34, 761830), (37, 700060), (58, 446590), (68, 380915), (71, 364820), (74, 350030), (85, 304732), (116, 223295), (142, 182410), (145, 178636), (148, 175015), (170, 152366), (185, 140012), (284, 91205), (290, 89318), (340, 76183), (355, 72964), (370, 70006), (493, 52540), (580, 44659), (629, 41180), (710, 36482), (740, 35003), (986, 26270), (1073, 24140), (1207, 21460), (1258, 20590), (1420, 18241), (1972, 13135), (2059, 12580), (2146, 12070), (2414, 10730), (2465, 10508), (2516, 10295), (2627, 9860), (3145, 8236), (4118, 6290), (4292, 6035), (4828, 5365), (4930, 5254)]