280109080

素因数分解:

$2^3\times 5^1\times {\mathrm{367}}^1\times {\mathrm{19081}}^1$

素因数の和:19459

約数の個数: 32

約数和(自身を含む): 631995840

約数和(自身を除く): 351886760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 367, 734, 1468, 1835, 2936, 3670, 7340, 14680, 19081, 38162, 76324, 95405, 152648, 190810, 381620, 763240, 7002727, 14005454, 28010908, 35013635, 56021816, 70027270, 140054540, 280109080]

約数ペア:

[(1, 280109080), (2, 140054540), (4, 70027270), (5, 56021816), (8, 35013635), (10, 28010908), (20, 14005454), (40, 7002727), (367, 763240), (734, 381620), (1468, 190810), (1835, 152648), (2936, 95405), (3670, 76324), (7340, 38162), (14680, 19081)]