81450110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{557}}^1\times {\mathrm{2089}}^1$

素因数の和:2660

約数の個数: 32

約数和(自身を含む): 167935680

約数和(自身を除く): 86485570

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 557, 1114, 2089, 2785, 3899, 4178, 5570, 7798, 10445, 14623, 19495, 20890, 29246, 38990, 73115, 146230, 1163573, 2327146, 5817865, 8145011, 11635730, 16290022, 40725055, 81450110]

約数ペア:

[(1, 81450110), (2, 40725055), (5, 16290022), (7, 11635730), (10, 8145011), (14, 5817865), (35, 2327146), (70, 1163573), (557, 146230), (1114, 73115), (2089, 38990), (2785, 29246), (3899, 20890), (4178, 19495), (5570, 14623), (7798, 10445)]