80737760

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29683}}^1$

素因数の和:29715

約数の個数: 48

約数和(自身を含む): 201969936

約数和(自身を除く): 121232176

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 29683, 59366, 118732, 148415, 237464, 296830, 474928, 504611, 593660, 949856, 1009222, 1187320, 2018444, 2374640, 2523055, 4036888, 4749280, 5046110, 8073776, 10092220, 16147552, 20184440, 40368880, 80737760]

約数ペア:

[(1, 80737760), (2, 40368880), (4, 20184440), (5, 16147552), (8, 10092220), (10, 8073776), (16, 5046110), (17, 4749280), (20, 4036888), (32, 2523055), (34, 2374640), (40, 2018444), (68, 1187320), (80, 1009222), (85, 949856), (136, 593660), (160, 504611), (170, 474928), (272, 296830), (340, 237464), (544, 148415), (680, 118732), (1360, 59366), (2720, 29683)]