15917076940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{449}}^1\times {\mathrm{41221}}^1$

素因数の和:41722

約数の個数: 48

約数和(自身を含む): 34280215200

約数和(自身を除く): 18363138260

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 449, 860, 898, 1796, 2245, 4490, 8980, 19307, 38614, 41221, 77228, 82442, 96535, 164884, 193070, 206105, 386140, 412210, 824420, 1772503, 3545006, 7090012, 8862515, 17725030, 18508229, 35450060, 37016458, 74032916, 92541145, 185082290, 370164580, 795853847, 1591707694, 3183415388, 3979269235, 7958538470, 15917076940]

約数ペア:

[(1, 15917076940), (2, 7958538470), (4, 3979269235), (5, 3183415388), (10, 1591707694), (20, 795853847), (43, 370164580), (86, 185082290), (172, 92541145), (215, 74032916), (430, 37016458), (449, 35450060), (860, 18508229), (898, 17725030), (1796, 8862515), (2245, 7090012), (4490, 3545006), (8980, 1772503), (19307, 824420), (38614, 412210), (41221, 386140), (77228, 206105), (82442, 193070), (96535, 164884)]