8649040

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1481}}^1$

素因数の和:1567

約数の個数: 40

約数和(自身を含む): 20398248

約数和(自身を除く): 11749208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 1481, 2920, 2962, 5840, 5924, 7405, 11848, 14810, 23696, 29620, 59240, 108113, 118480, 216226, 432452, 540565, 864904, 1081130, 1729808, 2162260, 4324520, 8649040]

約数ペア:

[(1, 8649040), (2, 4324520), (4, 2162260), (5, 1729808), (8, 1081130), (10, 864904), (16, 540565), (20, 432452), (40, 216226), (73, 118480), (80, 108113), (146, 59240), (292, 29620), (365, 23696), (584, 14810), (730, 11848), (1168, 7405), (1460, 5924), (1481, 5840), (2920, 2962)]