22565540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1381}}^1$

素因数の和:1452

約数の個数: 48

約数和(自身を含む): 51078720

約数和(自身を除く): 28513180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 817, 860, 1381, 1634, 2762, 3268, 4085, 5524, 6905, 8170, 13810, 16340, 26239, 27620, 52478, 59383, 104956, 118766, 131195, 237532, 262390, 296915, 524780, 593830, 1128277, 1187660, 2256554, 4513108, 5641385, 11282770, 22565540]

約数ペア:

[(1, 22565540), (2, 11282770), (4, 5641385), (5, 4513108), (10, 2256554), (19, 1187660), (20, 1128277), (38, 593830), (43, 524780), (76, 296915), (86, 262390), (95, 237532), (172, 131195), (190, 118766), (215, 104956), (380, 59383), (430, 52478), (817, 27620), (860, 26239), (1381, 16340), (1634, 13810), (2762, 8170), (3268, 6905), (4085, 5524)]