28987360

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7877}}^1$

素因数の和:7915

約数の個数: 48

約数和(自身を含む): 71469216

約数和(自身を除く): 42481856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3680, 7877, 15754, 31508, 39385, 63016, 78770, 126032, 157540, 181171, 252064, 315080, 362342, 630160, 724684, 905855, 1260320, 1449368, 1811710, 2898736, 3623420, 5797472, 7246840, 14493680, 28987360]

約数ペア:

[(1, 28987360), (2, 14493680), (4, 7246840), (5, 5797472), (8, 3623420), (10, 2898736), (16, 1811710), (20, 1449368), (23, 1260320), (32, 905855), (40, 724684), (46, 630160), (80, 362342), (92, 315080), (115, 252064), (160, 181171), (184, 157540), (230, 126032), (368, 78770), (460, 63016), (736, 39385), (920, 31508), (1840, 15754), (3680, 7877)]