164815220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{265831}}^1$

素因数の和:265871

約数の個数: 24

約数和(自身を含む): 357278208

約数和(自身を除く): 192462988

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 265831, 531662, 1063324, 1329155, 2658310, 5316620, 8240761, 16481522, 32963044, 41203805, 82407610, 164815220]

約数ペア:

[(1, 164815220), (2, 82407610), (4, 41203805), (5, 32963044), (10, 16481522), (20, 8240761), (31, 5316620), (62, 2658310), (124, 1329155), (155, 1063324), (310, 531662), (620, 265831)]