74490276820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{809}}^1\times {\mathrm{112289}}^1$

素因数の和:113148

約数の個数: 48

約数和(自身を含む): 160444443600

約数和(自身を除く): 85954166780

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 809, 820, 1618, 3236, 4045, 8090, 16180, 33169, 66338, 112289, 132676, 165845, 224578, 331690, 449156, 561445, 663380, 1122890, 2245780, 4603849, 9207698, 18415396, 23019245, 46038490, 90841801, 92076980, 181683602, 363367204, 454209005, 908418010, 1816836020, 3724513841, 7449027682, 14898055364, 18622569205, 37245138410, 74490276820]

約数ペア:

[(1, 74490276820), (2, 37245138410), (4, 18622569205), (5, 14898055364), (10, 7449027682), (20, 3724513841), (41, 1816836020), (82, 908418010), (164, 454209005), (205, 363367204), (410, 181683602), (809, 92076980), (820, 90841801), (1618, 46038490), (3236, 23019245), (4045, 18415396), (8090, 9207698), (16180, 4603849), (33169, 2245780), (66338, 1122890), (112289, 663380), (132676, 561445), (165845, 449156), (224578, 331690)]