15725840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15121}}^1$

素因数の和:15147

約数の個数: 40

約数和(自身を含む): 39377688

約数和(自身を除く): 23651848

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 15121, 30242, 60484, 75605, 120968, 151210, 196573, 241936, 302420, 393146, 604840, 786292, 982865, 1209680, 1572584, 1965730, 3145168, 3931460, 7862920, 15725840]

約数ペア:

[(1, 15725840), (2, 7862920), (4, 3931460), (5, 3145168), (8, 1965730), (10, 1572584), (13, 1209680), (16, 982865), (20, 786292), (26, 604840), (40, 393146), (52, 302420), (65, 241936), (80, 196573), (104, 151210), (130, 120968), (208, 75605), (260, 60484), (520, 30242), (1040, 15121)]