178160

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1$

素因数の和:161

約数の個数: 40

約数和(自身を含む): 441936

約数和(自身を除く): 263776

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 131, 136, 170, 262, 272, 340, 524, 655, 680, 1048, 1310, 1360, 2096, 2227, 2620, 4454, 5240, 8908, 10480, 11135, 17816, 22270, 35632, 44540, 89080, 178160]

約数ペア:

[(1, 178160), (2, 89080), (4, 44540), (5, 35632), (8, 22270), (10, 17816), (16, 11135), (17, 10480), (20, 8908), (34, 5240), (40, 4454), (68, 2620), (80, 2227), (85, 2096), (131, 1360), (136, 1310), (170, 1048), (262, 680), (272, 655), (340, 524)]