2017098640

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{379}}^1\times {\mathrm{937}}^1$

素因数の和:1400

約数の個数: 80

約数和(自身を含む): 4773444480

約数和(自身を除く): 2756345840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 379, 568, 710, 758, 937, 1136, 1420, 1516, 1874, 1895, 2840, 3032, 3748, 3790, 4685, 5680, 6064, 7496, 7580, 9370, 14992, 15160, 18740, 26909, 30320, 37480, 53818, 66527, 74960, 107636, 133054, 134545, 215272, 266108, 269090, 332635, 355123, 430544, 532216, 538180, 665270, 710246, 1064432, 1076360, 1330540, 1420492, 1775615, 2152720, 2661080, 2840984, 3551230, 5322160, 5681968, 7102460, 14204920, 25213733, 28409840, 50427466, 100854932, 126068665, 201709864, 252137330, 403419728, 504274660, 1008549320, 2017098640]

約数ペア:

[(1, 2017098640), (2, 1008549320), (4, 504274660), (5, 403419728), (8, 252137330), (10, 201709864), (16, 126068665), (20, 100854932), (40, 50427466), (71, 28409840), (80, 25213733), (142, 14204920), (284, 7102460), (355, 5681968), (379, 5322160), (568, 3551230), (710, 2840984), (758, 2661080), (937, 2152720), (1136, 1775615), (1420, 1420492), (1516, 1330540), (1874, 1076360), (1895, 1064432), (2840, 710246), (3032, 665270), (3748, 538180), (3790, 532216), (4685, 430544), (5680, 355123), (6064, 332635), (7496, 269090), (7580, 266108), (9370, 215272), (14992, 134545), (15160, 133054), (18740, 107636), (26909, 74960), (30320, 66527), (37480, 53818)]