72197320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{138841}}^1$

素因数の和:138865

約数の個数: 32

約数和(自身を含む): 174940920

約数和(自身を除く): 102743600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 138841, 277682, 555364, 694205, 1110728, 1388410, 1804933, 2776820, 3609866, 5553640, 7219732, 9024665, 14439464, 18049330, 36098660, 72197320]

約数ペア:

[(1, 72197320), (2, 36098660), (4, 18049330), (5, 14439464), (8, 9024665), (10, 7219732), (13, 5553640), (20, 3609866), (26, 2776820), (40, 1804933), (52, 1388410), (65, 1110728), (104, 694205), (130, 555364), (260, 277682), (520, 138841)]