7862920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15121}}^1$

素因数の和:15145

約数の個数: 32

約数和(自身を含む): 19053720

約数和(自身を除く): 11190800

約数列:

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

約数ペア:

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