12791036740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1091}}^1\times {\mathrm{30853}}^1$

素因数の和:31972

約数の個数: 48

約数和(自身を含む): 28301757120

約数和(自身を除く): 15510720380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1091, 2182, 4364, 5455, 10910, 20729, 21820, 30853, 41458, 61706, 82916, 103645, 123412, 154265, 207290, 308530, 414580, 586207, 617060, 1172414, 2344828, 2931035, 5862070, 11724140, 33660623, 67321246, 134642492, 168303115, 336606230, 639551837, 673212460, 1279103674, 2558207348, 3197759185, 6395518370, 12791036740]

約数ペア:

[(1, 12791036740), (2, 6395518370), (4, 3197759185), (5, 2558207348), (10, 1279103674), (19, 673212460), (20, 639551837), (38, 336606230), (76, 168303115), (95, 134642492), (190, 67321246), (380, 33660623), (1091, 11724140), (2182, 5862070), (4364, 2931035), (5455, 2344828), (10910, 1172414), (20729, 617060), (21820, 586207), (30853, 414580), (41458, 308530), (61706, 207290), (82916, 154265), (103645, 123412)]