51969320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{719}}^1$

素因数の和:882

約数の個数: 64

約数和(自身を含む): 127008000

約数和(自身を除く): 75038680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 139, 260, 278, 520, 556, 695, 719, 1112, 1390, 1438, 1807, 2780, 2876, 3595, 3614, 5560, 5752, 7190, 7228, 9035, 9347, 14380, 14456, 18070, 18694, 28760, 36140, 37388, 46735, 72280, 74776, 93470, 99941, 186940, 199882, 373880, 399764, 499705, 799528, 999410, 1299233, 1998820, 2598466, 3997640, 5196932, 6496165, 10393864, 12992330, 25984660, 51969320]

約数ペア:

[(1, 51969320), (2, 25984660), (4, 12992330), (5, 10393864), (8, 6496165), (10, 5196932), (13, 3997640), (20, 2598466), (26, 1998820), (40, 1299233), (52, 999410), (65, 799528), (104, 499705), (130, 399764), (139, 373880), (260, 199882), (278, 186940), (520, 99941), (556, 93470), (695, 74776), (719, 72280), (1112, 46735), (1390, 37388), (1438, 36140), (1807, 28760), (2780, 18694), (2876, 18070), (3595, 14456), (3614, 14380), (5560, 9347), (5752, 9035), (7190, 7228)]