64809140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{4993}}^1$

素因数の和:5072

約数の個数: 48

約数和(自身を含む): 151018560

約数和(自身を除く): 86209420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 220, 236, 295, 590, 649, 1180, 1298, 2596, 3245, 4993, 6490, 9986, 12980, 19972, 24965, 49930, 54923, 99860, 109846, 219692, 274615, 294587, 549230, 589174, 1098460, 1178348, 1472935, 2945870, 3240457, 5891740, 6480914, 12961828, 16202285, 32404570, 64809140]

約数ペア:

[(1, 64809140), (2, 32404570), (4, 16202285), (5, 12961828), (10, 6480914), (11, 5891740), (20, 3240457), (22, 2945870), (44, 1472935), (55, 1178348), (59, 1098460), (110, 589174), (118, 549230), (220, 294587), (236, 274615), (295, 219692), (590, 109846), (649, 99860), (1180, 54923), (1298, 49930), (2596, 24965), (3245, 19972), (4993, 12980), (6490, 9986)]