80244520

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{27481}}^1$

素因数の和:27565

約数の個数: 32

約数和(自身を含む): 183030120

約数和(自身を除く): 102785600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 27481, 54962, 109924, 137405, 219848, 274810, 549620, 1099240, 2006113, 4012226, 8024452, 10030565, 16048904, 20061130, 40122260, 80244520]

約数ペア:

[(1, 80244520), (2, 40122260), (4, 20061130), (5, 16048904), (8, 10030565), (10, 8024452), (20, 4012226), (40, 2006113), (73, 1099240), (146, 549620), (292, 274810), (365, 219848), (584, 137405), (730, 109924), (1460, 54962), (2920, 27481)]