64679080

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{30509}}^1$

素因数の和:30573

約数の個数: 32

約数和(自身を含む): 148278600

約数和(自身を除く): 83599520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 30509, 61018, 122036, 152545, 244072, 305090, 610180, 1220360, 1616977, 3233954, 6467908, 8084885, 12935816, 16169770, 32339540, 64679080]

約数ペア:

[(1, 64679080), (2, 32339540), (4, 16169770), (5, 12935816), (8, 8084885), (10, 6467908), (20, 3233954), (40, 1616977), (53, 1220360), (106, 610180), (212, 305090), (265, 244072), (424, 152545), (530, 122036), (1060, 61018), (2120, 30509)]