2782160

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{419}}^1$

素因数の和:515

約数の個数: 40

約数和(自身を含む): 6562080

約数和(自身を除く): 3779920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 419, 664, 830, 838, 1328, 1660, 1676, 2095, 3320, 3352, 4190, 6640, 6704, 8380, 16760, 33520, 34777, 69554, 139108, 173885, 278216, 347770, 556432, 695540, 1391080, 2782160]

約数ペア:

[(1, 2782160), (2, 1391080), (4, 695540), (5, 556432), (8, 347770), (10, 278216), (16, 173885), (20, 139108), (40, 69554), (80, 34777), (83, 33520), (166, 16760), (332, 8380), (415, 6704), (419, 6640), (664, 4190), (830, 3352), (838, 3320), (1328, 2095), (1660, 1676)]