16259980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{6719}}^1$

素因数の和:6750

約数の個数: 36

約数和(自身を含む): 37537920

約数和(自身を除く): 21277940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 6719, 13438, 26876, 33595, 67190, 73909, 134380, 147818, 295636, 369545, 739090, 812999, 1478180, 1625998, 3251996, 4064995, 8129990, 16259980]

約数ペア:

[(1, 16259980), (2, 8129990), (4, 4064995), (5, 3251996), (10, 1625998), (11, 1478180), (20, 812999), (22, 739090), (44, 369545), (55, 295636), (110, 147818), (121, 134380), (220, 73909), (242, 67190), (484, 33595), (605, 26876), (1210, 13438), (2420, 6719)]