51547420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1171}}^1$

素因数の和:1282

約数の個数: 48

約数和(自身を含む): 113412096

約数和(自身を除く): 61864676

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 71, 124, 142, 155, 284, 310, 355, 620, 710, 1171, 1420, 2201, 2342, 4402, 4684, 5855, 8804, 11005, 11710, 22010, 23420, 36301, 44020, 72602, 83141, 145204, 166282, 181505, 332564, 363010, 415705, 726020, 831410, 1662820, 2577371, 5154742, 10309484, 12886855, 25773710, 51547420]

約数ペア:

[(1, 51547420), (2, 25773710), (4, 12886855), (5, 10309484), (10, 5154742), (20, 2577371), (31, 1662820), (62, 831410), (71, 726020), (124, 415705), (142, 363010), (155, 332564), (284, 181505), (310, 166282), (355, 145204), (620, 83141), (710, 72602), (1171, 44020), (1420, 36301), (2201, 23420), (2342, 22010), (4402, 11710), (4684, 11005), (5855, 8804)]