7955480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15299}}^1$

素因数の和:15323

約数の個数: 32

約数和(自身を含む): 19278000

約数和(自身を除く): 11322520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 15299, 30598, 61196, 76495, 122392, 152990, 198887, 305980, 397774, 611960, 795548, 994435, 1591096, 1988870, 3977740, 7955480]

約数ペア:

[(1, 7955480), (2, 3977740), (4, 1988870), (5, 1591096), (8, 994435), (10, 795548), (13, 611960), (20, 397774), (26, 305980), (40, 198887), (52, 152990), (65, 122392), (104, 76495), (130, 61196), (260, 30598), (520, 15299)]