38381720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2381}}^1$

素因数の和:2436

約数の個数: 64

約数和(自身を含む): 96042240

約数和(自身を除く): 57660520

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, 1612, 2015, 2381, 3224, 4030, 4762, 8060, 9524, 11905, 16120, 19048, 23810, 30953, 47620, 61906, 73811, 95240, 123812, 147622, 154765, 247624, 295244, 309530, 369055, 590488, 619060, 738110, 959543, 1238120, 1476220, 1919086, 2952440, 3838172, 4797715, 7676344, 9595430, 19190860, 38381720]

約数ペア:

[(1, 38381720), (2, 19190860), (4, 9595430), (5, 7676344), (8, 4797715), (10, 3838172), (13, 2952440), (20, 1919086), (26, 1476220), (31, 1238120), (40, 959543), (52, 738110), (62, 619060), (65, 590488), (104, 369055), (124, 309530), (130, 295244), (155, 247624), (248, 154765), (260, 147622), (310, 123812), (403, 95240), (520, 73811), (620, 61906), (806, 47620), (1240, 30953), (1612, 23810), (2015, 19048), (2381, 16120), (3224, 11905), (4030, 9524), (4762, 8060)]