29227760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{21491}}^1$

素因数の和:21521

約数の個数: 40

約数和(自身を含む): 71955216

約数和(自身を除く): 42727456

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 21491, 42982, 85964, 107455, 171928, 214910, 343856, 365347, 429820, 730694, 859640, 1461388, 1719280, 1826735, 2922776, 3653470, 5845552, 7306940, 14613880, 29227760]

約数ペア:

[(1, 29227760), (2, 14613880), (4, 7306940), (5, 5845552), (8, 3653470), (10, 2922776), (16, 1826735), (17, 1719280), (20, 1461388), (34, 859640), (40, 730694), (68, 429820), (80, 365347), (85, 343856), (136, 214910), (170, 171928), (272, 107455), (340, 85964), (680, 42982), (1360, 21491)]