8173960

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1129}}^1$

素因数の和:1321

約数の個数: 32

約数和(自身を含む): 18509400

約数和(自身を除く): 10335440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1129, 1448, 1810, 2258, 3620, 4516, 5645, 7240, 9032, 11290, 22580, 45160, 204349, 408698, 817396, 1021745, 1634792, 2043490, 4086980, 8173960]

約数ペア:

[(1, 8173960), (2, 4086980), (4, 2043490), (5, 1634792), (8, 1021745), (10, 817396), (20, 408698), (40, 204349), (181, 45160), (362, 22580), (724, 11290), (905, 9032), (1129, 7240), (1448, 5645), (1810, 4516), (2258, 3620)]