87253520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{64157}}^1$

素因数の和:64187

約数の個数: 40

約数和(自身を含む): 214800984

約数和(自身を除く): 127547464

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 64157, 128314, 256628, 320785, 513256, 641570, 1026512, 1090669, 1283140, 2181338, 2566280, 4362676, 5132560, 5453345, 8725352, 10906690, 17450704, 21813380, 43626760, 87253520]

約数ペア:

[(1, 87253520), (2, 43626760), (4, 21813380), (5, 17450704), (8, 10906690), (10, 8725352), (16, 5453345), (17, 5132560), (20, 4362676), (34, 2566280), (40, 2181338), (68, 1283140), (80, 1090669), (85, 1026512), (136, 641570), (170, 513256), (272, 320785), (340, 256628), (680, 128314), (1360, 64157)]