42664540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{677}}^1$

素因数の和:846

約数の個数: 48

約数和(自身を含む): 94312512

約数和(自身を除く): 51647972

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 137, 230, 274, 460, 548, 677, 685, 1354, 1370, 2708, 2740, 3151, 3385, 6302, 6770, 12604, 13540, 15571, 15755, 31142, 31510, 62284, 63020, 77855, 92749, 155710, 185498, 311420, 370996, 463745, 927490, 1854980, 2133227, 4266454, 8532908, 10666135, 21332270, 42664540]

約数ペア:

[(1, 42664540), (2, 21332270), (4, 10666135), (5, 8532908), (10, 4266454), (20, 2133227), (23, 1854980), (46, 927490), (92, 463745), (115, 370996), (137, 311420), (230, 185498), (274, 155710), (460, 92749), (548, 77855), (677, 63020), (685, 62284), (1354, 31510), (1370, 31142), (2708, 15755), (2740, 15571), (3151, 13540), (3385, 12604), (6302, 6770)]