85520630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{21221}}^1$

素因数の和:21272

約数の個数: 32

約数和(自身を含む): 171134208

約数和(自身を除く): 85613578

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 21221, 42442, 106105, 212210, 275873, 551746, 657851, 1315702, 1379365, 2758730, 3289255, 6578510, 8552063, 17104126, 42760315, 85520630]

約数ペア:

[(1, 85520630), (2, 42760315), (5, 17104126), (10, 8552063), (13, 6578510), (26, 3289255), (31, 2758730), (62, 1379365), (65, 1315702), (130, 657851), (155, 551746), (310, 275873), (403, 212210), (806, 106105), (2015, 42442), (4030, 21221)]