80651690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{21739}}^1$

素因数の和:21806

約数の個数: 32

約数和(自身を含む): 169050240

約数和(自身を除く): 88398550

約数列:

[1, 2, 5, 7, 10, 14, 35, 53, 70, 106, 265, 371, 530, 742, 1855, 3710, 21739, 43478, 108695, 152173, 217390, 304346, 760865, 1152167, 1521730, 2304334, 5760835, 8065169, 11521670, 16130338, 40325845, 80651690]

約数ペア:

[(1, 80651690), (2, 40325845), (5, 16130338), (7, 11521670), (10, 8065169), (14, 5760835), (35, 2304334), (53, 1521730), (70, 1152167), (106, 760865), (265, 304346), (371, 217390), (530, 152173), (742, 108695), (1855, 43478), (3710, 21739)]