64921360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{115931}}^1$

素因数の和:115951

約数の個数: 40

約数和(自身を含む): 172506816

約数和(自身を除く): 107585456

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 115931, 231862, 463724, 579655, 811517, 927448, 1159310, 1623034, 1854896, 2318620, 3246068, 4057585, 4637240, 6492136, 8115170, 9274480, 12984272, 16230340, 32460680, 64921360]

約数ペア:

[(1, 64921360), (2, 32460680), (4, 16230340), (5, 12984272), (7, 9274480), (8, 8115170), (10, 6492136), (14, 4637240), (16, 4057585), (20, 3246068), (28, 2318620), (35, 1854896), (40, 1623034), (56, 1159310), (70, 927448), (80, 811517), (112, 579655), (140, 463724), (280, 231862), (560, 115931)]