179158640

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{52081}}^1$

素因数の和:52137

約数の個数: 40

約数和(自身を含む): 426239088

約数和(自身を除く): 247080448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 52081, 104162, 208324, 260405, 416648, 520810, 833296, 1041620, 2083240, 2239483, 4166480, 4478966, 8957932, 11197415, 17915864, 22394830, 35831728, 44789660, 89579320, 179158640]

約数ペア:

[(1, 179158640), (2, 89579320), (4, 44789660), (5, 35831728), (8, 22394830), (10, 17915864), (16, 11197415), (20, 8957932), (40, 4478966), (43, 4166480), (80, 2239483), (86, 2083240), (172, 1041620), (215, 833296), (344, 520810), (430, 416648), (688, 260405), (860, 208324), (1720, 104162), (3440, 52081)]