8430720560

素因数分解:

$2^4\times 5^1\times {\mathrm{647}}^1\times {\mathrm{162881}}^1$

素因数の和:163541

約数の個数: 40

約数和(自身を含む): 19631841696

約数和(自身を除く): 11201121136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 647, 1294, 2588, 3235, 5176, 6470, 10352, 12940, 25880, 51760, 162881, 325762, 651524, 814405, 1303048, 1628810, 2606096, 3257620, 6515240, 13030480, 105384007, 210768014, 421536028, 526920035, 843072056, 1053840070, 1686144112, 2107680140, 4215360280, 8430720560]

約数ペア:

[(1, 8430720560), (2, 4215360280), (4, 2107680140), (5, 1686144112), (8, 1053840070), (10, 843072056), (16, 526920035), (20, 421536028), (40, 210768014), (80, 105384007), (647, 13030480), (1294, 6515240), (2588, 3257620), (3235, 2606096), (5176, 1628810), (6470, 1303048), (10352, 814405), (12940, 651524), (25880, 325762), (51760, 162881)]