31494880

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11579}}^1$

素因数の和:11611

約数の個数: 48

約数和(自身を含む): 78790320

約数和(自身を除く): 47295440

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, 11579, 23158, 46316, 57895, 92632, 115790, 185264, 196843, 231580, 370528, 393686, 463160, 787372, 926320, 984215, 1574744, 1852640, 1968430, 3149488, 3936860, 6298976, 7873720, 15747440, 31494880]

約数ペア:

[(1, 31494880), (2, 15747440), (4, 7873720), (5, 6298976), (8, 3936860), (10, 3149488), (16, 1968430), (17, 1852640), (20, 1574744), (32, 984215), (34, 926320), (40, 787372), (68, 463160), (80, 393686), (85, 370528), (136, 231580), (160, 196843), (170, 185264), (272, 115790), (340, 92632), (544, 57895), (680, 46316), (1360, 23158), (2720, 11579)]