1919008720

素因数分解:

$2^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{93337}}^1$

素因数の和:93607

約数の個数: 40

約数和(自身を含む): 4479103944

約数和(自身を除く): 2560095224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257, 514, 1028, 1285, 2056, 2570, 4112, 5140, 10280, 20560, 93337, 186674, 373348, 466685, 746696, 933370, 1493392, 1866740, 3733480, 7466960, 23987609, 47975218, 95950436, 119938045, 191900872, 239876090, 383801744, 479752180, 959504360, 1919008720]

約数ペア:

[(1, 1919008720), (2, 959504360), (4, 479752180), (5, 383801744), (8, 239876090), (10, 191900872), (16, 119938045), (20, 95950436), (40, 47975218), (80, 23987609), (257, 7466960), (514, 3733480), (1028, 1866740), (1285, 1493392), (2056, 933370), (2570, 746696), (4112, 466685), (5140, 373348), (10280, 186674), (20560, 93337)]