51780680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1831}}^1$

素因数の和:1950

約数の個数: 64

約数和(自身を含む): 134542080

約数和(自身を除く): 82761400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 101, 140, 202, 280, 404, 505, 707, 808, 1010, 1414, 1831, 2020, 2828, 3535, 3662, 4040, 5656, 7070, 7324, 9155, 12817, 14140, 14648, 18310, 25634, 28280, 36620, 51268, 64085, 73240, 102536, 128170, 184931, 256340, 369862, 512680, 739724, 924655, 1294517, 1479448, 1849310, 2589034, 3698620, 5178068, 6472585, 7397240, 10356136, 12945170, 25890340, 51780680]

約数ペア:

[(1, 51780680), (2, 25890340), (4, 12945170), (5, 10356136), (7, 7397240), (8, 6472585), (10, 5178068), (14, 3698620), (20, 2589034), (28, 1849310), (35, 1479448), (40, 1294517), (56, 924655), (70, 739724), (101, 512680), (140, 369862), (202, 256340), (280, 184931), (404, 128170), (505, 102536), (707, 73240), (808, 64085), (1010, 51268), (1414, 36620), (1831, 28280), (2020, 25634), (2828, 18310), (3535, 14648), (3662, 14140), (4040, 12817), (5656, 9155), (7070, 7324)]