201419560

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{82549}}^1$

素因数の和:82621

約数の個数: 32

約数和(自身を含む): 460629000

約数和(自身を除く): 259209440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 82549, 165098, 330196, 412745, 660392, 825490, 1650980, 3301960, 5035489, 10070978, 20141956, 25177445, 40283912, 50354890, 100709780, 201419560]

約数ペア:

[(1, 201419560), (2, 100709780), (4, 50354890), (5, 40283912), (8, 25177445), (10, 20141956), (20, 10070978), (40, 5035489), (61, 3301960), (122, 1650980), (244, 825490), (305, 660392), (488, 412745), (610, 330196), (1220, 165098), (2440, 82549)]