25769840

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{3881}}^1$

素因数の和:3977

約数の個数: 40

約数和(自身を含む): 60652368

約数和(自身を除く): 34882528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 3881, 6640, 7762, 15524, 19405, 31048, 38810, 62096, 77620, 155240, 310480, 322123, 644246, 1288492, 1610615, 2576984, 3221230, 5153968, 6442460, 12884920, 25769840]

約数ペア:

[(1, 25769840), (2, 12884920), (4, 6442460), (5, 5153968), (8, 3221230), (10, 2576984), (16, 1610615), (20, 1288492), (40, 644246), (80, 322123), (83, 310480), (166, 155240), (332, 77620), (415, 62096), (664, 38810), (830, 31048), (1328, 19405), (1660, 15524), (3320, 7762), (3881, 6640)]