54552140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{937}}^1$

素因数の和:1058

約数の個数: 48

約数和(自身を含む): 119133504

約数和(自身を除く): 64581364

約数列:

[1, 2, 4, 5, 10, 20, 41, 71, 82, 142, 164, 205, 284, 355, 410, 710, 820, 937, 1420, 1874, 2911, 3748, 4685, 5822, 9370, 11644, 14555, 18740, 29110, 38417, 58220, 66527, 76834, 133054, 153668, 192085, 266108, 332635, 384170, 665270, 768340, 1330540, 2727607, 5455214, 10910428, 13638035, 27276070, 54552140]

約数ペア:

[(1, 54552140), (2, 27276070), (4, 13638035), (5, 10910428), (10, 5455214), (20, 2727607), (41, 1330540), (71, 768340), (82, 665270), (142, 384170), (164, 332635), (205, 266108), (284, 192085), (355, 153668), (410, 133054), (710, 76834), (820, 66527), (937, 58220), (1420, 38417), (1874, 29110), (2911, 18740), (3748, 14555), (4685, 11644), (5822, 9370)]