2908045240

素因数分解:

$2^3\times 5^1\times {\mathrm{16763}}^1\times {\mathrm{4337}}^1$

素因数の和:21111

約数の個数: 32

約数和(自身を含む): 6545000880

約数和(自身を除く): 3636955640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4337, 8674, 16763, 17348, 21685, 33526, 34696, 43370, 67052, 83815, 86740, 134104, 167630, 173480, 335260, 670520, 72701131, 145402262, 290804524, 363505655, 581609048, 727011310, 1454022620, 2908045240]

約数ペア:

[(1, 2908045240), (2, 1454022620), (4, 727011310), (5, 581609048), (8, 363505655), (10, 290804524), (20, 145402262), (40, 72701131), (4337, 670520), (8674, 335260), (16763, 173480), (17348, 167630), (21685, 134104), (33526, 86740), (34696, 83815), (43370, 67052)]