82663880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2239}}^1$

素因数の和:2334

約数の個数: 64

約数和(自身を含む): 203212800

約数和(自身を除く): 120548920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 71, 104, 130, 142, 260, 284, 355, 520, 568, 710, 923, 1420, 1846, 2239, 2840, 3692, 4478, 4615, 7384, 8956, 9230, 11195, 17912, 18460, 22390, 29107, 36920, 44780, 58214, 89560, 116428, 145535, 158969, 232856, 291070, 317938, 582140, 635876, 794845, 1164280, 1271752, 1589690, 2066597, 3179380, 4133194, 6358760, 8266388, 10332985, 16532776, 20665970, 41331940, 82663880]

約数ペア:

[(1, 82663880), (2, 41331940), (4, 20665970), (5, 16532776), (8, 10332985), (10, 8266388), (13, 6358760), (20, 4133194), (26, 3179380), (40, 2066597), (52, 1589690), (65, 1271752), (71, 1164280), (104, 794845), (130, 635876), (142, 582140), (260, 317938), (284, 291070), (355, 232856), (520, 158969), (568, 145535), (710, 116428), (923, 89560), (1420, 58214), (1846, 44780), (2239, 36920), (2840, 29107), (3692, 22390), (4478, 18460), (4615, 17912), (7384, 11195), (8956, 9230)]