22261720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1381}}^1$

素因数の和:1436

約数の個数: 64

約数和(自身を含む): 55722240

約数和(自身を除く): 33460520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1381, 1612, 2015, 2762, 3224, 4030, 5524, 6905, 8060, 11048, 13810, 16120, 17953, 27620, 35906, 42811, 55240, 71812, 85622, 89765, 143624, 171244, 179530, 214055, 342488, 359060, 428110, 556543, 718120, 856220, 1113086, 1712440, 2226172, 2782715, 4452344, 5565430, 11130860, 22261720]

約数ペア:

[(1, 22261720), (2, 11130860), (4, 5565430), (5, 4452344), (8, 2782715), (10, 2226172), (13, 1712440), (20, 1113086), (26, 856220), (31, 718120), (40, 556543), (52, 428110), (62, 359060), (65, 342488), (104, 214055), (124, 179530), (130, 171244), (155, 143624), (248, 89765), (260, 85622), (310, 71812), (403, 55240), (520, 42811), (620, 35906), (806, 27620), (1240, 17953), (1381, 16120), (1612, 13810), (2015, 11048), (2762, 8060), (3224, 6905), (4030, 5524)]