155480260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{13907}}^1$

素因数の和:13972

約数の個数: 48

約数和(自身を含む): 359827776

約数和(自身を除く): 204347516

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2795, 5590, 11180, 13907, 27814, 55628, 69535, 139070, 180791, 278140, 361582, 598001, 723164, 903955, 1196002, 1807910, 2392004, 2990005, 3615820, 5980010, 7774013, 11960020, 15548026, 31096052, 38870065, 77740130, 155480260]

約数ペア:

[(1, 155480260), (2, 77740130), (4, 38870065), (5, 31096052), (10, 15548026), (13, 11960020), (20, 7774013), (26, 5980010), (43, 3615820), (52, 2990005), (65, 2392004), (86, 1807910), (130, 1196002), (172, 903955), (215, 723164), (260, 598001), (430, 361582), (559, 278140), (860, 180791), (1118, 139070), (2236, 69535), (2795, 55628), (5590, 27814), (11180, 13907)]