85311070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{21169}}^1$

素因数の和:21220

約数の個数: 32

約数和(自身を含む): 170714880

約数和(自身を除く): 85403810

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 21169, 42338, 105845, 211690, 275197, 550394, 656239, 1312478, 1375985, 2751970, 3281195, 6562390, 8531107, 17062214, 42655535, 85311070]

約数ペア:

[(1, 85311070), (2, 42655535), (5, 17062214), (10, 8531107), (13, 6562390), (26, 3281195), (31, 2751970), (62, 1375985), (65, 1312478), (130, 656239), (155, 550394), (310, 275197), (403, 211690), (806, 105845), (2015, 42338), (4030, 21169)]