26868920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{317}}^1$

素因数の和:504

約数の個数: 64

約数和(自身を含む): 65711520

約数和(自身を除く): 38842600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 163, 260, 317, 326, 520, 634, 652, 815, 1268, 1304, 1585, 1630, 2119, 2536, 3170, 3260, 4121, 4238, 6340, 6520, 8242, 8476, 10595, 12680, 16484, 16952, 20605, 21190, 32968, 41210, 42380, 51671, 82420, 84760, 103342, 164840, 206684, 258355, 413368, 516710, 671723, 1033420, 1343446, 2066840, 2686892, 3358615, 5373784, 6717230, 13434460, 26868920]

約数ペア:

[(1, 26868920), (2, 13434460), (4, 6717230), (5, 5373784), (8, 3358615), (10, 2686892), (13, 2066840), (20, 1343446), (26, 1033420), (40, 671723), (52, 516710), (65, 413368), (104, 258355), (130, 206684), (163, 164840), (260, 103342), (317, 84760), (326, 82420), (520, 51671), (634, 42380), (652, 41210), (815, 32968), (1268, 21190), (1304, 20605), (1585, 16952), (1630, 16484), (2119, 12680), (2536, 10595), (3170, 8476), (3260, 8242), (4121, 6520), (4238, 6340)]