90053560

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{857}}^1$

素因数の和:976

約数の個数: 64

約数和(自身を含む): 211273920

約数和(自身を除く): 121220360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 71, 74, 142, 148, 185, 284, 296, 355, 370, 568, 710, 740, 857, 1420, 1480, 1714, 2627, 2840, 3428, 4285, 5254, 6856, 8570, 10508, 13135, 17140, 21016, 26270, 31709, 34280, 52540, 60847, 63418, 105080, 121694, 126836, 158545, 243388, 253672, 304235, 317090, 486776, 608470, 634180, 1216940, 1268360, 2251339, 2433880, 4502678, 9005356, 11256695, 18010712, 22513390, 45026780, 90053560]

約数ペア:

[(1, 90053560), (2, 45026780), (4, 22513390), (5, 18010712), (8, 11256695), (10, 9005356), (20, 4502678), (37, 2433880), (40, 2251339), (71, 1268360), (74, 1216940), (142, 634180), (148, 608470), (185, 486776), (284, 317090), (296, 304235), (355, 253672), (370, 243388), (568, 158545), (710, 126836), (740, 121694), (857, 105080), (1420, 63418), (1480, 60847), (1714, 52540), (2627, 34280), (2840, 31709), (3428, 26270), (4285, 21016), (5254, 17140), (6856, 13135), (8570, 10508)]