39749320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{76441}}^1$

素因数の和:76465

約数の個数: 32

約数和(自身を含む): 96316920

約数和(自身を除く): 56567600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 76441, 152882, 305764, 382205, 611528, 764410, 993733, 1528820, 1987466, 3057640, 3974932, 4968665, 7949864, 9937330, 19874660, 39749320]

約数ペア:

[(1, 39749320), (2, 19874660), (4, 9937330), (5, 7949864), (8, 4968665), (10, 3974932), (13, 3057640), (20, 1987466), (26, 1528820), (40, 993733), (52, 764410), (65, 611528), (104, 382205), (130, 305764), (260, 152882), (520, 76441)]