51589340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{557}}^1$

素因数の和:998

約数の個数: 48

約数和(自身を含む): 118679904

約数和(自身を除く): 67090564

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 421, 557, 842, 1114, 1684, 2105, 2228, 2785, 4210, 4631, 5570, 6127, 8420, 9262, 11140, 12254, 18524, 23155, 24508, 30635, 46310, 61270, 92620, 122540, 234497, 468994, 937988, 1172485, 2344970, 2579467, 4689940, 5158934, 10317868, 12897335, 25794670, 51589340]

約数ペア:

[(1, 51589340), (2, 25794670), (4, 12897335), (5, 10317868), (10, 5158934), (11, 4689940), (20, 2579467), (22, 2344970), (44, 1172485), (55, 937988), (110, 468994), (220, 234497), (421, 122540), (557, 92620), (842, 61270), (1114, 46310), (1684, 30635), (2105, 24508), (2228, 23155), (2785, 18524), (4210, 12254), (4631, 11140), (5570, 9262), (6127, 8420)]