78834860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{9781}}^1$

素因数の和:9834

約数の個数: 48

約数和(自身を含む): 184058112

約数和(自身を除く): 105223252

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, 9781, 19562, 39124, 48905, 97810, 127153, 195620, 254306, 303211, 508612, 606422, 635765, 1212844, 1271530, 1516055, 2543060, 3032110, 3941743, 6064220, 7883486, 15766972, 19708715, 39417430, 78834860]

約数ペア:

[(1, 78834860), (2, 39417430), (4, 19708715), (5, 15766972), (10, 7883486), (13, 6064220), (20, 3941743), (26, 3032110), (31, 2543060), (52, 1516055), (62, 1271530), (65, 1212844), (124, 635765), (130, 606422), (155, 508612), (260, 303211), (310, 254306), (403, 195620), (620, 127153), (806, 97810), (1612, 48905), (2015, 39124), (4030, 19562), (8060, 9781)]