85411820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{10597}}^1$

素因数の和:10650

約数の個数: 48

約数和(自身を含む): 199411968

約数和(自身を除く): 114000148

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 10597, 21194, 42388, 52985, 105970, 137761, 211940, 275522, 328507, 551044, 657014, 688805, 1314028, 1377610, 1642535, 2755220, 3285070, 4270591, 6570140, 8541182, 17082364, 21352955, 42705910, 85411820]

約数ペア:

[(1, 85411820), (2, 42705910), (4, 21352955), (5, 17082364), (10, 8541182), (13, 6570140), (20, 4270591), (26, 3285070), (31, 2755220), (52, 1642535), (62, 1377610), (65, 1314028), (124, 688805), (130, 657014), (155, 551044), (260, 328507), (310, 275522), (403, 211940), (620, 137761), (806, 105970), (1612, 52985), (2015, 42388), (4030, 21194), (8060, 10597)]