81255850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3049}}^1$

素因数の和:3115

約数の個数: 48

約数和(自身を含む): 166786200

約数和(自身を除く): 85530350

約数列:

[1, 2, 5, 10, 13, 25, 26, 41, 50, 65, 82, 130, 205, 325, 410, 533, 650, 1025, 1066, 2050, 2665, 3049, 5330, 6098, 13325, 15245, 26650, 30490, 39637, 76225, 79274, 125009, 152450, 198185, 250018, 396370, 625045, 990925, 1250090, 1625117, 1981850, 3125225, 3250234, 6250450, 8125585, 16251170, 40627925, 81255850]

約数ペア:

[(1, 81255850), (2, 40627925), (5, 16251170), (10, 8125585), (13, 6250450), (25, 3250234), (26, 3125225), (41, 1981850), (50, 1625117), (65, 1250090), (82, 990925), (130, 625045), (205, 396370), (325, 250018), (410, 198185), (533, 152450), (650, 125009), (1025, 79274), (1066, 76225), (2050, 39637), (2665, 30490), (3049, 26650), (5330, 15245), (6098, 13325)]