40139320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77191}}^1$

素因数の和:77215

約数の個数: 32

約数和(自身を含む): 97261920

約数和(自身を除く): 57122600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 77191, 154382, 308764, 385955, 617528, 771910, 1003483, 1543820, 2006966, 3087640, 4013932, 5017415, 8027864, 10034830, 20069660, 40139320]

約数ペア:

[(1, 40139320), (2, 20069660), (4, 10034830), (5, 8027864), (8, 5017415), (10, 4013932), (13, 3087640), (20, 2006966), (26, 1543820), (40, 1003483), (52, 771910), (65, 617528), (104, 385955), (130, 308764), (260, 154382), (520, 77191)]