61979440

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{20939}}^1$

素因数の和:20989

約数の個数: 40

約数和(自身を含む): 148003920

約数和(自身を除く): 86024480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 20939, 41878, 83756, 104695, 167512, 209390, 335024, 418780, 774743, 837560, 1549486, 1675120, 3098972, 3873715, 6197944, 7747430, 12395888, 15494860, 30989720, 61979440]

約数ペア:

[(1, 61979440), (2, 30989720), (4, 15494860), (5, 12395888), (8, 7747430), (10, 6197944), (16, 3873715), (20, 3098972), (37, 1675120), (40, 1549486), (74, 837560), (80, 774743), (148, 418780), (185, 335024), (296, 209390), (370, 167512), (592, 104695), (740, 83756), (1480, 41878), (2960, 20939)]