148618520

素因数分解:

$2^3\times 5^1\times {\mathrm{1801}}^1\times {\mathrm{2063}}^1$

素因数の和:3875

約数の個数: 32

約数和(自身を含む): 334739520

約数和(自身を除く): 186121000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1801, 2063, 3602, 4126, 7204, 8252, 9005, 10315, 14408, 16504, 18010, 20630, 36020, 41260, 72040, 82520, 3715463, 7430926, 14861852, 18577315, 29723704, 37154630, 74309260, 148618520]

約数ペア:

[(1, 148618520), (2, 74309260), (4, 37154630), (5, 29723704), (8, 18577315), (10, 14861852), (20, 7430926), (40, 3715463), (1801, 82520), (2063, 72040), (3602, 41260), (4126, 36020), (7204, 20630), (8252, 18010), (9005, 16504), (10315, 14408)]