172705520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{166063}}^1$

素因数の和:166089

約数の個数: 40

約数和(自身を含む): 432430656

約数和(自身を除く): 259725136

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 166063, 332126, 664252, 830315, 1328504, 1660630, 2158819, 2657008, 3321260, 4317638, 6642520, 8635276, 10794095, 13285040, 17270552, 21588190, 34541104, 43176380, 86352760, 172705520]

約数ペア:

[(1, 172705520), (2, 86352760), (4, 43176380), (5, 34541104), (8, 21588190), (10, 17270552), (13, 13285040), (16, 10794095), (20, 8635276), (26, 6642520), (40, 4317638), (52, 3321260), (65, 2657008), (80, 2158819), (104, 1660630), (130, 1328504), (208, 830315), (260, 664252), (520, 332126), (1040, 166063)]