51677980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{42359}}^1$

素因数の和:42429

約数の個数: 24

約数和(自身を含む): 110305440

約数和(自身を除く): 58627460

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 42359, 84718, 169436, 211795, 423590, 847180, 2583899, 5167798, 10335596, 12919495, 25838990, 51677980]

約数ペア:

[(1, 51677980), (2, 25838990), (4, 12919495), (5, 10335596), (10, 5167798), (20, 2583899), (61, 847180), (122, 423590), (244, 211795), (305, 169436), (610, 84718), (1220, 42359)]