77123920

素因数分解:

$2^4\times 5^1\times {\mathrm{964049}}^1$

素因数の和:964062

約数の個数: 20

約数和(自身を含む): 179313300

約数和(自身を除く): 102189380

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 964049, 1928098, 3856196, 4820245, 7712392, 9640490, 15424784, 19280980, 38561960, 77123920]

約数ペア:

[(1, 77123920), (2, 38561960), (4, 19280980), (5, 15424784), (8, 9640490), (10, 7712392), (16, 4820245), (20, 3856196), (40, 1928098), (80, 964049)]