1989020480

素因数分解:

$2^6\times 5^1\times {\mathrm{1637}}^1\times {\mathrm{3797}}^1$

素因数の和:5451

約数の個数: 56

約数和(自身を含む): 4740496488

約数和(自身を除く): 2751476008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 1637, 3274, 3797, 6548, 7594, 8185, 13096, 15188, 16370, 18985, 26192, 30376, 32740, 37970, 52384, 60752, 65480, 75940, 104768, 121504, 130960, 151880, 243008, 261920, 303760, 523840, 607520, 1215040, 6215689, 12431378, 24862756, 31078445, 49725512, 62156890, 99451024, 124313780, 198902048, 248627560, 397804096, 497255120, 994510240, 1989020480]

約数ペア:

[(1, 1989020480), (2, 994510240), (4, 497255120), (5, 397804096), (8, 248627560), (10, 198902048), (16, 124313780), (20, 99451024), (32, 62156890), (40, 49725512), (64, 31078445), (80, 24862756), (160, 12431378), (320, 6215689), (1637, 1215040), (3274, 607520), (3797, 523840), (6548, 303760), (7594, 261920), (8185, 243008), (13096, 151880), (15188, 130960), (16370, 121504), (18985, 104768), (26192, 75940), (30376, 65480), (32740, 60752), (37970, 52384)]