86741720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5381}}^1$

素因数の和:5436

約数の個数: 64

約数和(自身を含む): 217002240

約数和(自身を除く): 130260520

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, 3224, 4030, 5381, 8060, 10762, 16120, 21524, 26905, 43048, 53810, 69953, 107620, 139906, 166811, 215240, 279812, 333622, 349765, 559624, 667244, 699530, 834055, 1334488, 1399060, 1668110, 2168543, 2798120, 3336220, 4337086, 6672440, 8674172, 10842715, 17348344, 21685430, 43370860, 86741720]

約数ペア:

[(1, 86741720), (2, 43370860), (4, 21685430), (5, 17348344), (8, 10842715), (10, 8674172), (13, 6672440), (20, 4337086), (26, 3336220), (31, 2798120), (40, 2168543), (52, 1668110), (62, 1399060), (65, 1334488), (104, 834055), (124, 699530), (130, 667244), (155, 559624), (248, 349765), (260, 333622), (310, 279812), (403, 215240), (520, 166811), (620, 139906), (806, 107620), (1240, 69953), (1612, 53810), (2015, 43048), (3224, 26905), (4030, 21524), (5381, 16120), (8060, 10762)]