85383520

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31391}}^1$

素因数の和:31423

約数の個数: 48

約数和(自身を含む): 213591168

約数和(自身を除く): 128207648

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, 31391, 62782, 125564, 156955, 251128, 313910, 502256, 533647, 627820, 1004512, 1067294, 1255640, 2134588, 2511280, 2668235, 4269176, 5022560, 5336470, 8538352, 10672940, 17076704, 21345880, 42691760, 85383520]

約数ペア:

[(1, 85383520), (2, 42691760), (4, 21345880), (5, 17076704), (8, 10672940), (10, 8538352), (16, 5336470), (17, 5022560), (20, 4269176), (32, 2668235), (34, 2511280), (40, 2134588), (68, 1255640), (80, 1067294), (85, 1004512), (136, 627820), (160, 533647), (170, 502256), (272, 313910), (340, 251128), (544, 156955), (680, 125564), (1360, 62782), (2720, 31391)]