164474780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{200579}}^1$

素因数の和:200629

約数の個数: 24

約数和(自身を含む): 353823120

約数和(自身を除く): 189348340

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 200579, 401158, 802316, 1002895, 2005790, 4011580, 8223739, 16447478, 32894956, 41118695, 82237390, 164474780]

約数ペア:

[(1, 164474780), (2, 82237390), (4, 41118695), (5, 32894956), (10, 16447478), (20, 8223739), (41, 4011580), (82, 2005790), (164, 1002895), (205, 802316), (410, 401158), (820, 200579)]