7848880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7547}}^1$

素因数の和:7573

約数の個数: 40

約数和(自身を含む): 19654992

約数和(自身を除く): 11806112

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 7547, 15094, 30188, 37735, 60376, 75470, 98111, 120752, 150940, 196222, 301880, 392444, 490555, 603760, 784888, 981110, 1569776, 1962220, 3924440, 7848880]

約数ペア:

[(1, 7848880), (2, 3924440), (4, 1962220), (5, 1569776), (8, 981110), (10, 784888), (13, 603760), (16, 490555), (20, 392444), (26, 301880), (40, 196222), (52, 150940), (65, 120752), (80, 98111), (104, 75470), (130, 60376), (208, 37735), (260, 30188), (520, 15094), (1040, 7547)]