25811390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{461}}^1\times {\mathrm{509}}^1$

素因数の和:988

約数の個数: 32

約数和(自身を含む): 50893920

約数和(自身を除く): 25082530

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 461, 509, 922, 1018, 2305, 2545, 4610, 5071, 5090, 5599, 10142, 11198, 25355, 27995, 50710, 55990, 234649, 469298, 1173245, 2346490, 2581139, 5162278, 12905695, 25811390]

約数ペア:

[(1, 25811390), (2, 12905695), (5, 5162278), (10, 2581139), (11, 2346490), (22, 1173245), (55, 469298), (110, 234649), (461, 55990), (509, 50710), (922, 27995), (1018, 25355), (2305, 11198), (2545, 10142), (4610, 5599), (5071, 5090)]