51587140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{21317}}^1$

素因数の和:21348

約数の個数: 36

約数和(自身を含む): 119082348

約数和(自身を除く): 67495208

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 21317, 42634, 85268, 106585, 213170, 234487, 426340, 468974, 937948, 1172435, 2344870, 2579357, 4689740, 5158714, 10317428, 12896785, 25793570, 51587140]

約数ペア:

[(1, 51587140), (2, 25793570), (4, 12896785), (5, 10317428), (10, 5158714), (11, 4689740), (20, 2579357), (22, 2344870), (44, 1172435), (55, 937948), (110, 468974), (121, 426340), (220, 234487), (242, 213170), (484, 106585), (605, 85268), (1210, 42634), (2420, 21317)]