38996840

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{20743}}^1$

素因数の和:20801

約数の個数: 32

約数和(自身を含む): 89614080

約数和(自身を除く): 50617240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 20743, 41486, 82972, 103715, 165944, 207430, 414860, 829720, 974921, 1949842, 3899684, 4874605, 7799368, 9749210, 19498420, 38996840]

約数ペア:

[(1, 38996840), (2, 19498420), (4, 9749210), (5, 7799368), (8, 4874605), (10, 3899684), (20, 1949842), (40, 974921), (47, 829720), (94, 414860), (188, 207430), (235, 165944), (376, 103715), (470, 82972), (940, 41486), (1880, 20743)]