71318480

素因数分解:

$2^4\times 5^1\times {\mathrm{891481}}^1$

素因数の和:891494

約数の個数: 20

約数和(自身を含む): 165815652

約数和(自身を除く): 94497172

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 891481, 1782962, 3565924, 4457405, 7131848, 8914810, 14263696, 17829620, 35659240, 71318480]

約数ペア:

[(1, 71318480), (2, 35659240), (4, 17829620), (5, 14263696), (8, 8914810), (10, 7131848), (16, 4457405), (20, 3565924), (40, 1782962), (80, 891481)]