828647240

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{151213}}^1$

素因数の和:151361

約数の個数: 32

約数和(自身を含む): 1878077880

約数和(自身を除く): 1049430640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 151213, 302426, 604852, 756065, 1209704, 1512130, 3024260, 6048520, 20716181, 41432362, 82864724, 103580905, 165729448, 207161810, 414323620, 828647240]

約数ペア:

[(1, 828647240), (2, 414323620), (4, 207161810), (5, 165729448), (8, 103580905), (10, 82864724), (20, 41432362), (40, 20716181), (137, 6048520), (274, 3024260), (548, 1512130), (685, 1209704), (1096, 756065), (1370, 604852), (2740, 302426), (5480, 151213)]