8153260

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 17936352

約数和(自身を除く): 9783092

約数列:

[1, 2, 4, 5, 10, 20, 41, 61, 82, 122, 163, 164, 205, 244, 305, 326, 410, 610, 652, 815, 820, 1220, 1630, 2501, 3260, 5002, 6683, 9943, 10004, 12505, 13366, 19886, 25010, 26732, 33415, 39772, 49715, 50020, 66830, 99430, 133660, 198860, 407663, 815326, 1630652, 2038315, 4076630, 8153260]

約数ペア:

[(1, 8153260), (2, 4076630), (4, 2038315), (5, 1630652), (10, 815326), (20, 407663), (41, 198860), (61, 133660), (82, 99430), (122, 66830), (163, 50020), (164, 49715), (205, 39772), (244, 33415), (305, 26732), (326, 25010), (410, 19886), (610, 13366), (652, 12505), (815, 10004), (820, 9943), (1220, 6683), (1630, 5002), (2501, 3260)]