669558640

素因数分解:

$2^4\times 5^1\times {\mathrm{2027}}^1\times {\mathrm{4129}}^1$

素因数の和:6169

約数の個数: 40

約数和(自身を含む): 1557869040

約数和(自身を除く): 888310400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2027, 4054, 4129, 8108, 8258, 10135, 16216, 16516, 20270, 20645, 32432, 33032, 40540, 41290, 66064, 81080, 82580, 162160, 165160, 330320, 8369483, 16738966, 33477932, 41847415, 66955864, 83694830, 133911728, 167389660, 334779320, 669558640]

約数ペア:

[(1, 669558640), (2, 334779320), (4, 167389660), (5, 133911728), (8, 83694830), (10, 66955864), (16, 41847415), (20, 33477932), (40, 16738966), (80, 8369483), (2027, 330320), (4054, 165160), (4129, 162160), (8108, 82580), (8258, 81080), (10135, 66064), (16216, 41290), (16516, 40540), (20270, 33032), (20645, 32432)]