8660720

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1483}}^1$

素因数の和:1569

約数の個数: 40

約数和(自身を含む): 20425776

約数和(自身を除く): 11765056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 1483, 2920, 2966, 5840, 5932, 7415, 11864, 14830, 23728, 29660, 59320, 108259, 118640, 216518, 433036, 541295, 866072, 1082590, 1732144, 2165180, 4330360, 8660720]

約数ペア:

[(1, 8660720), (2, 4330360), (4, 2165180), (5, 1732144), (8, 1082590), (10, 866072), (16, 541295), (20, 433036), (40, 216518), (73, 118640), (80, 108259), (146, 59320), (292, 29660), (365, 23728), (584, 14830), (730, 11864), (1168, 7415), (1460, 5932), (1483, 5840), (2920, 2966)]