1320802360

素因数分解:

$2^3\times 5^1\times {\mathrm{2909}}^1\times {\mathrm{11351}}^1$

素因数の和:14271

約数の個数: 32

約数和(自身を含む): 2973088800

約数和(自身を除く): 1652286440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2909, 5818, 11351, 11636, 14545, 22702, 23272, 29090, 45404, 56755, 58180, 90808, 113510, 116360, 227020, 454040, 33020059, 66040118, 132080236, 165100295, 264160472, 330200590, 660401180, 1320802360]

約数ペア:

[(1, 1320802360), (2, 660401180), (4, 330200590), (5, 264160472), (8, 165100295), (10, 132080236), (20, 66040118), (40, 33020059), (2909, 454040), (5818, 227020), (11351, 116360), (11636, 113510), (14545, 90808), (22702, 58180), (23272, 56755), (29090, 45404)]