15976480

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7681}}^1$

素因数の和:7709

約数の個数: 48

約数和(自身を含む): 40653144

約数和(自身を除く): 24676664

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 7681, 15362, 30724, 38405, 61448, 76810, 99853, 122896, 153620, 199706, 245792, 307240, 399412, 499265, 614480, 798824, 998530, 1228960, 1597648, 1997060, 3195296, 3994120, 7988240, 15976480]

約数ペア:

[(1, 15976480), (2, 7988240), (4, 3994120), (5, 3195296), (8, 1997060), (10, 1597648), (13, 1228960), (16, 998530), (20, 798824), (26, 614480), (32, 499265), (40, 399412), (52, 307240), (65, 245792), (80, 199706), (104, 153620), (130, 122896), (160, 99853), (208, 76810), (260, 61448), (416, 38405), (520, 30724), (1040, 15362), (2080, 7681)]