19876757780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{83579}}^1$

素因数の和:83669

約数の個数: 96

約数和(自身を含む): 48527216640

約数和(自身を除く): 28650458860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 47, 55, 92, 94, 110, 115, 188, 220, 230, 235, 253, 460, 470, 506, 517, 940, 1012, 1034, 1081, 1265, 2068, 2162, 2530, 2585, 4324, 5060, 5170, 5405, 10340, 10810, 11891, 21620, 23782, 47564, 59455, 83579, 118910, 167158, 237820, 334316, 417895, 835790, 919369, 1671580, 1838738, 1922317, 3677476, 3844634, 3928213, 4596845, 7689268, 7856426, 9193690, 9611585, 15712852, 18387380, 19223170, 19641065, 21145487, 38446340, 39282130, 42290974, 43210343, 78564260, 84581948, 86420686, 90348899, 105727435, 172841372, 180697798, 211454870, 216051715, 361395596, 422909740, 432103430, 451744495, 864206860, 903488990, 993837889, 1806977980, 1987675778, 3975351556, 4969189445, 9938378890, 19876757780]

約数ペア:

[(1, 19876757780), (2, 9938378890), (4, 4969189445), (5, 3975351556), (10, 1987675778), (11, 1806977980), (20, 993837889), (22, 903488990), (23, 864206860), (44, 451744495), (46, 432103430), (47, 422909740), (55, 361395596), (92, 216051715), (94, 211454870), (110, 180697798), (115, 172841372), (188, 105727435), (220, 90348899), (230, 86420686), (235, 84581948), (253, 78564260), (460, 43210343), (470, 42290974), (506, 39282130), (517, 38446340), (940, 21145487), (1012, 19641065), (1034, 19223170), (1081, 18387380), (1265, 15712852), (2068, 9611585), (2162, 9193690), (2530, 7856426), (2585, 7689268), (4324, 4596845), (5060, 3928213), (5170, 3844634), (5405, 3677476), (10340, 1922317), (10810, 1838738), (11891, 1671580), (21620, 919369), (23782, 835790), (47564, 417895), (59455, 334316), (83579, 237820), (118910, 167158)]