726133720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1396411}}^1$

素因数の和:1396435

約数の個数: 32

約数和(自身を含む): 1759479120

約数和(自身を除く): 1033345400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1396411, 2792822, 5585644, 6982055, 11171288, 13964110, 18153343, 27928220, 36306686, 55856440, 72613372, 90766715, 145226744, 181533430, 363066860, 726133720]

約数ペア:

[(1, 726133720), (2, 363066860), (4, 181533430), (5, 145226744), (8, 90766715), (10, 72613372), (13, 55856440), (20, 36306686), (26, 27928220), (40, 18153343), (52, 13964110), (65, 11171288), (104, 6982055), (130, 5585644), (260, 2792822), (520, 1396411)]