87798280

素因数分解:

$2^3\times 5^1\times {\mathrm{1151}}^1\times {\mathrm{1907}}^1$

素因数の和:3069

約数の個数: 32

約数和(自身を含む): 197821440

約数和(自身を除く): 110023160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1151, 1907, 2302, 3814, 4604, 5755, 7628, 9208, 9535, 11510, 15256, 19070, 23020, 38140, 46040, 76280, 2194957, 4389914, 8779828, 10974785, 17559656, 21949570, 43899140, 87798280]

約数ペア:

[(1, 87798280), (2, 43899140), (4, 21949570), (5, 17559656), (8, 10974785), (10, 8779828), (20, 4389914), (40, 2194957), (1151, 76280), (1907, 46040), (2302, 38140), (3814, 23020), (4604, 19070), (5755, 15256), (7628, 11510), (9208, 9535)]