31800010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{641}}^1$

素因数の和:711

約数の個数: 48

約数和(自身を含む): 64551816

約数和(自身を除く): 32751806

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 121, 205, 242, 410, 451, 605, 641, 902, 1210, 1282, 2255, 3205, 4510, 4961, 6410, 7051, 9922, 14102, 24805, 26281, 35255, 49610, 52562, 70510, 77561, 131405, 155122, 262810, 289091, 387805, 578182, 775610, 1445455, 2890910, 3180001, 6360002, 15900005, 31800010]

約数ペア:

[(1, 31800010), (2, 15900005), (5, 6360002), (10, 3180001), (11, 2890910), (22, 1445455), (41, 775610), (55, 578182), (82, 387805), (110, 289091), (121, 262810), (205, 155122), (242, 131405), (410, 77561), (451, 70510), (605, 52562), (641, 49610), (902, 35255), (1210, 26281), (1282, 24805), (2255, 14102), (3205, 9922), (4510, 7051), (4961, 6410)]