56109520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41257}}^1$

素因数の和:41287

約数の個数: 40

約数和(自身を含む): 138131784

約数和(自身を除く): 82022264

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 41257, 82514, 165028, 206285, 330056, 412570, 660112, 701369, 825140, 1402738, 1650280, 2805476, 3300560, 3506845, 5610952, 7013690, 11221904, 14027380, 28054760, 56109520]

約数ペア:

[(1, 56109520), (2, 28054760), (4, 14027380), (5, 11221904), (8, 7013690), (10, 5610952), (16, 3506845), (17, 3300560), (20, 2805476), (34, 1650280), (40, 1402738), (68, 825140), (80, 701369), (85, 660112), (136, 412570), (170, 330056), (272, 206285), (340, 165028), (680, 82514), (1360, 41257)]