84570440

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{11681}}^1$

素因数の和:11873

約数の個数: 32

約数和(自身を含む): 191351160

約数和(自身を除く): 106780720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 3620, 7240, 11681, 23362, 46724, 58405, 93448, 116810, 233620, 467240, 2114261, 4228522, 8457044, 10571305, 16914088, 21142610, 42285220, 84570440]

約数ペア:

[(1, 84570440), (2, 42285220), (4, 21142610), (5, 16914088), (8, 10571305), (10, 8457044), (20, 4228522), (40, 2114261), (181, 467240), (362, 233620), (724, 116810), (905, 93448), (1448, 58405), (1810, 46724), (3620, 23362), (7240, 11681)]