85254620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{2141}}^1$

素因数の和:2342

約数の個数: 48

約数和(自身を含む): 196481376

約数和(自身を除く): 111226756

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 181, 220, 362, 724, 905, 1810, 1991, 2141, 3620, 3982, 4282, 7964, 8564, 9955, 10705, 19910, 21410, 23551, 39820, 42820, 47102, 94204, 117755, 235510, 387521, 471020, 775042, 1550084, 1937605, 3875210, 4262731, 7750420, 8525462, 17050924, 21313655, 42627310, 85254620]

約数ペア:

[(1, 85254620), (2, 42627310), (4, 21313655), (5, 17050924), (10, 8525462), (11, 7750420), (20, 4262731), (22, 3875210), (44, 1937605), (55, 1550084), (110, 775042), (181, 471020), (220, 387521), (362, 235510), (724, 117755), (905, 94204), (1810, 47102), (1991, 42820), (2141, 39820), (3620, 23551), (3982, 21410), (4282, 19910), (7964, 10705), (8564, 9955)]