7985007280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3219761}}^1$

素因数の和:3219805

約数の個数: 40

約数和(自身を含む): 19164023424

約数和(自身を除く): 11179016144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 3219761, 6439522, 12879044, 16098805, 25758088, 32197610, 51516176, 64395220, 99812591, 128790440, 199625182, 257580880, 399250364, 499062955, 798500728, 998125910, 1597001456, 1996251820, 3992503640, 7985007280]

約数ペア:

[(1, 7985007280), (2, 3992503640), (4, 1996251820), (5, 1597001456), (8, 998125910), (10, 798500728), (16, 499062955), (20, 399250364), (31, 257580880), (40, 199625182), (62, 128790440), (80, 99812591), (124, 64395220), (155, 51516176), (248, 32197610), (310, 25758088), (496, 16098805), (620, 12879044), (1240, 6439522), (2480, 3219761)]