65705360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{117331}}^1$

素因数の和:117351

約数の個数: 40

約数和(自身を含む): 174590016

約数和(自身を除く): 108884656

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 117331, 234662, 469324, 586655, 821317, 938648, 1173310, 1642634, 1877296, 2346620, 3285268, 4106585, 4693240, 6570536, 8213170, 9386480, 13141072, 16426340, 32852680, 65705360]

約数ペア:

[(1, 65705360), (2, 32852680), (4, 16426340), (5, 13141072), (7, 9386480), (8, 8213170), (10, 6570536), (14, 4693240), (16, 4106585), (20, 3285268), (28, 2346620), (35, 1877296), (40, 1642634), (56, 1173310), (70, 938648), (80, 821317), (112, 586655), (140, 469324), (280, 234662), (560, 117331)]