220480

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1$

素因数の和:83

約数の個数: 56

約数和(自身を含む): 576072

約数和(自身を除く): 355592

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 53, 64, 65, 80, 104, 106, 130, 160, 208, 212, 260, 265, 320, 416, 424, 520, 530, 689, 832, 848, 1040, 1060, 1378, 1696, 2080, 2120, 2756, 3392, 3445, 4160, 4240, 5512, 6890, 8480, 11024, 13780, 16960, 22048, 27560, 44096, 55120, 110240, 220480]

約数ペア:

[(1, 220480), (2, 110240), (4, 55120), (5, 44096), (8, 27560), (10, 22048), (13, 16960), (16, 13780), (20, 11024), (26, 8480), (32, 6890), (40, 5512), (52, 4240), (53, 4160), (64, 3445), (65, 3392), (80, 2756), (104, 2120), (106, 2080), (130, 1696), (160, 1378), (208, 1060), (212, 1040), (260, 848), (265, 832), (320, 689), (416, 530), (424, 520)]