64883120

素因数分解:

$2^4\times 5^1\times {\mathrm{811039}}^1$

素因数の和:811052

約数の個数: 20

約数和(自身を含む): 150853440

約数和(自身を除く): 85970320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 811039, 1622078, 3244156, 4055195, 6488312, 8110390, 12976624, 16220780, 32441560, 64883120]

約数ペア:

[(1, 64883120), (2, 32441560), (4, 16220780), (5, 12976624), (8, 8110390), (10, 6488312), (16, 4055195), (20, 3244156), (40, 1622078), (80, 811039)]