7801360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13931}}^1$

素因数の和:13951

約数の個数: 40

約数和(自身を含む): 20730816

約数和(自身を除く): 12929456

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 13931, 27862, 55724, 69655, 97517, 111448, 139310, 195034, 222896, 278620, 390068, 487585, 557240, 780136, 975170, 1114480, 1560272, 1950340, 3900680, 7801360]

約数ペア:

[(1, 7801360), (2, 3900680), (4, 1950340), (5, 1560272), (7, 1114480), (8, 975170), (10, 780136), (14, 557240), (16, 487585), (20, 390068), (28, 278620), (35, 222896), (40, 195034), (56, 139310), (70, 111448), (80, 97517), (112, 69655), (140, 55724), (280, 27862), (560, 13931)]