61390520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{80777}}^1$

素因数の和:80807

約数の個数: 32

約数和(自身を含む): 145400400

約数和(自身を除く): 84009880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 80777, 161554, 323108, 403885, 646216, 807770, 1534763, 1615540, 3069526, 3231080, 6139052, 7673815, 12278104, 15347630, 30695260, 61390520]

約数ペア:

[(1, 61390520), (2, 30695260), (4, 15347630), (5, 12278104), (8, 7673815), (10, 6139052), (19, 3231080), (20, 3069526), (38, 1615540), (40, 1534763), (76, 807770), (95, 646216), (152, 403885), (190, 323108), (380, 161554), (760, 80777)]