2017205560

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{489613}}^1$

素因数の和:489727

約数の個数: 32

約数和(自身を含む): 4582787040

約数和(自身を除く): 2565581480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 489613, 979226, 1958452, 2448065, 3916904, 4896130, 9792260, 19584520, 50430139, 100860278, 201720556, 252150695, 403441112, 504301390, 1008602780, 2017205560]

約数ペア:

[(1, 2017205560), (2, 1008602780), (4, 504301390), (5, 403441112), (8, 252150695), (10, 201720556), (20, 100860278), (40, 50430139), (103, 19584520), (206, 9792260), (412, 4896130), (515, 3916904), (824, 2448065), (1030, 1958452), (2060, 979226), (4120, 489613)]