1552804720

素因数分解:

$2^4\times 5^1\times {\mathrm{977}}^1\times {\mathrm{19867}}^1$

素因数の和:20857

約数の個数: 40

約数和(自身を含む): 3614148144

約数和(自身を除く): 2061343424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 977, 1954, 3908, 4885, 7816, 9770, 15632, 19540, 19867, 39080, 39734, 78160, 79468, 99335, 158936, 198670, 317872, 397340, 794680, 1589360, 19410059, 38820118, 77640236, 97050295, 155280472, 194100590, 310560944, 388201180, 776402360, 1552804720]

約数ペア:

[(1, 1552804720), (2, 776402360), (4, 388201180), (5, 310560944), (8, 194100590), (10, 155280472), (16, 97050295), (20, 77640236), (40, 38820118), (80, 19410059), (977, 1589360), (1954, 794680), (3908, 397340), (4885, 317872), (7816, 198670), (9770, 158936), (15632, 99335), (19540, 79468), (19867, 78160), (39080, 39734)]