2100028120

素因数分解:

$2^3\times 5^1\times {\mathrm{2579}}^1\times {\mathrm{20357}}^1$

素因数の和:22947

約数の個数: 32

約数和(自身を含む): 4727127600

約数和(自身を除く): 2627099480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2579, 5158, 10316, 12895, 20357, 20632, 25790, 40714, 51580, 81428, 101785, 103160, 162856, 203570, 407140, 814280, 52500703, 105001406, 210002812, 262503515, 420005624, 525007030, 1050014060, 2100028120]

約数ペア:

[(1, 2100028120), (2, 1050014060), (4, 525007030), (5, 420005624), (8, 262503515), (10, 210002812), (20, 105001406), (40, 52500703), (2579, 814280), (5158, 407140), (10316, 203570), (12895, 162856), (20357, 103160), (20632, 101785), (25790, 81428), (40714, 51580)]