2023646840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{571}}^1\times {\mathrm{2161}}^1$

素因数の和:2784

約数の個数: 64

約数和(自身を含む): 4674589920

約数和(自身を除く): 2650943080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 571, 820, 1142, 1640, 2161, 2284, 2855, 4322, 4568, 5710, 8644, 10805, 11420, 17288, 21610, 22840, 23411, 43220, 46822, 86440, 88601, 93644, 117055, 177202, 187288, 234110, 354404, 443005, 468220, 708808, 886010, 936440, 1233931, 1772020, 2467862, 3544040, 4935724, 6169655, 9871448, 12339310, 24678620, 49357240, 50591171, 101182342, 202364684, 252955855, 404729368, 505911710, 1011823420, 2023646840]

約数ペア:

[(1, 2023646840), (2, 1011823420), (4, 505911710), (5, 404729368), (8, 252955855), (10, 202364684), (20, 101182342), (40, 50591171), (41, 49357240), (82, 24678620), (164, 12339310), (205, 9871448), (328, 6169655), (410, 4935724), (571, 3544040), (820, 2467862), (1142, 1772020), (1640, 1233931), (2161, 936440), (2284, 886010), (2855, 708808), (4322, 468220), (4568, 443005), (5710, 354404), (8644, 234110), (10805, 187288), (11420, 177202), (17288, 117055), (21610, 93644), (22840, 88601), (23411, 86440), (43220, 46822)]