31516640

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11587}}^1$

素因数の和:11619

約数の個数: 48

約数和(自身を含む): 78844752

約数和(自身を除く): 47328112

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, 11587, 23174, 46348, 57935, 92696, 115870, 185392, 196979, 231740, 370784, 393958, 463480, 787916, 926960, 984895, 1575832, 1853920, 1969790, 3151664, 3939580, 6303328, 7879160, 15758320, 31516640]

約数ペア:

[(1, 31516640), (2, 15758320), (4, 7879160), (5, 6303328), (8, 3939580), (10, 3151664), (16, 1969790), (17, 1853920), (20, 1575832), (32, 984895), (34, 926960), (40, 787916), (68, 463480), (80, 393958), (85, 370784), (136, 231740), (160, 196979), (170, 185392), (272, 115870), (340, 92696), (544, 57935), (680, 46348), (1360, 23174), (2720, 11587)]