9090440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7331}}^1$

素因数の和:7373

約数の個数: 32

約数和(自身を含む): 21116160

約数和(自身を除く): 12025720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 7331, 14662, 29324, 36655, 58648, 73310, 146620, 227261, 293240, 454522, 909044, 1136305, 1818088, 2272610, 4545220, 9090440]

約数ペア:

[(1, 9090440), (2, 4545220), (4, 2272610), (5, 1818088), (8, 1136305), (10, 909044), (20, 454522), (31, 293240), (40, 227261), (62, 146620), (124, 73310), (155, 58648), (248, 36655), (310, 29324), (620, 14662), (1240, 7331)]