81668930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{40231}}^1$

素因数の和:40274

約数の個数: 32

約数和(自身を含む): 173802240

約数和(自身を除く): 92133310

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 40231, 80462, 201155, 281617, 402310, 563234, 1166699, 1408085, 2333398, 2816170, 5833495, 8166893, 11666990, 16333786, 40834465, 81668930]

約数ペア:

[(1, 81668930), (2, 40834465), (5, 16333786), (7, 11666990), (10, 8166893), (14, 5833495), (29, 2816170), (35, 2333398), (58, 1408085), (70, 1166699), (145, 563234), (203, 402310), (290, 281617), (406, 201155), (1015, 80462), (2030, 40231)]