78303520

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15787}}^1$

素因数の和:15833

約数の個数: 48

約数和(自身を含む): 190971648

約数和(自身を除く): 112668128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 15787, 31574, 63148, 78935, 126296, 157870, 252592, 315740, 489397, 505184, 631480, 978794, 1262960, 1957588, 2446985, 2525920, 3915176, 4893970, 7830352, 9787940, 15660704, 19575880, 39151760, 78303520]

約数ペア:

[(1, 78303520), (2, 39151760), (4, 19575880), (5, 15660704), (8, 9787940), (10, 7830352), (16, 4893970), (20, 3915176), (31, 2525920), (32, 2446985), (40, 1957588), (62, 1262960), (80, 978794), (124, 631480), (155, 505184), (160, 489397), (248, 315740), (310, 252592), (496, 157870), (620, 126296), (992, 78935), (1240, 63148), (2480, 31574), (4960, 15787)]