16428940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1409}}^1$

素因数の和:1482

約数の個数: 48

約数和(自身を含む): 38374560

約数和(自身を除く): 21945620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 53, 55, 106, 110, 212, 220, 265, 530, 583, 1060, 1166, 1409, 2332, 2818, 2915, 5636, 5830, 7045, 11660, 14090, 15499, 28180, 30998, 61996, 74677, 77495, 149354, 154990, 298708, 309980, 373385, 746770, 821447, 1493540, 1642894, 3285788, 4107235, 8214470, 16428940]

約数ペア:

[(1, 16428940), (2, 8214470), (4, 4107235), (5, 3285788), (10, 1642894), (11, 1493540), (20, 821447), (22, 746770), (44, 373385), (53, 309980), (55, 298708), (106, 154990), (110, 149354), (212, 77495), (220, 74677), (265, 61996), (530, 30998), (583, 28180), (1060, 15499), (1166, 14090), (1409, 11660), (2332, 7045), (2818, 5830), (2915, 5636)]