19738800880

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3475141}}^1$

素因数の和:3475225

約数の個数: 40

約数和(自身を含む): 46539101664

約数和(自身を除く): 26800300784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 3475141, 6950282, 13900564, 17375705, 27801128, 34751410, 55602256, 69502820, 139005640, 246735011, 278011280, 493470022, 986940044, 1233675055, 1973880088, 2467350110, 3947760176, 4934700220, 9869400440, 19738800880]

約数ペア:

[(1, 19738800880), (2, 9869400440), (4, 4934700220), (5, 3947760176), (8, 2467350110), (10, 1973880088), (16, 1233675055), (20, 986940044), (40, 493470022), (71, 278011280), (80, 246735011), (142, 139005640), (284, 69502820), (355, 55602256), (568, 34751410), (710, 27801128), (1136, 17375705), (1420, 13900564), (2840, 6950282), (5680, 3475141)]