1089405680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1237961}}^1$

素因数の和:1237985

約数の個数: 40

約数和(自身を含む): 2763131184

約数和(自身を除く): 1673725504

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 1237961, 2475922, 4951844, 6189805, 9903688, 12379610, 13617571, 19807376, 24759220, 27235142, 49518440, 54470284, 68087855, 99036880, 108940568, 136175710, 217881136, 272351420, 544702840, 1089405680]

約数ペア:

[(1, 1089405680), (2, 544702840), (4, 272351420), (5, 217881136), (8, 136175710), (10, 108940568), (11, 99036880), (16, 68087855), (20, 54470284), (22, 49518440), (40, 27235142), (44, 24759220), (55, 19807376), (80, 13617571), (88, 12379610), (110, 9903688), (176, 6189805), (220, 4951844), (440, 2475922), (880, 1237961)]