72028998520

素因数分解:

$2^3\times 5^1\times {\mathrm{2683}}^1\times {\mathrm{671161}}^1$

素因数の和:673855

約数の個数: 32

約数和(自身を含む): 162125892720

約数和(自身を除く): 90096894200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2683, 5366, 10732, 13415, 21464, 26830, 53660, 107320, 671161, 1342322, 2684644, 3355805, 5369288, 6711610, 13423220, 26846440, 1800724963, 3601449926, 7202899852, 9003624815, 14405799704, 18007249630, 36014499260, 72028998520]

約数ペア:

[(1, 72028998520), (2, 36014499260), (4, 18007249630), (5, 14405799704), (8, 9003624815), (10, 7202899852), (20, 3601449926), (40, 1800724963), (2683, 26846440), (5366, 13423220), (10732, 6711610), (13415, 5369288), (21464, 3355805), (26830, 2684644), (53660, 1342322), (107320, 671161)]