79887760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{58741}}^1$

素因数の和:58771

約数の個数: 40

約数和(自身を含む): 196668216

約数和(自身を除く): 116780456

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 58741, 117482, 234964, 293705, 469928, 587410, 939856, 998597, 1174820, 1997194, 2349640, 3994388, 4699280, 4992985, 7988776, 9985970, 15977552, 19971940, 39943880, 79887760]

約数ペア:

[(1, 79887760), (2, 39943880), (4, 19971940), (5, 15977552), (8, 9985970), (10, 7988776), (16, 4992985), (17, 4699280), (20, 3994388), (34, 2349640), (40, 1997194), (68, 1174820), (80, 998597), (85, 939856), (136, 587410), (170, 469928), (272, 293705), (340, 234964), (680, 117482), (1360, 58741)]