31870240

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11717}}^1$

素因数の和:11749

約数の個数: 48

約数和(自身を含む): 79729272

約数和(自身を除く): 47859032

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, 11717, 23434, 46868, 58585, 93736, 117170, 187472, 199189, 234340, 374944, 398378, 468680, 796756, 937360, 995945, 1593512, 1874720, 1991890, 3187024, 3983780, 6374048, 7967560, 15935120, 31870240]

約数ペア:

[(1, 31870240), (2, 15935120), (4, 7967560), (5, 6374048), (8, 3983780), (10, 3187024), (16, 1991890), (17, 1874720), (20, 1593512), (32, 995945), (34, 937360), (40, 796756), (68, 468680), (80, 398378), (85, 374944), (136, 234340), (160, 199189), (170, 187472), (272, 117170), (340, 93736), (544, 58585), (680, 46868), (1360, 23434), (2720, 11717)]