41781320

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{21317}}^1$

素因数の和:21342

約数の個数: 48

約数和(自身を含む): 109361340

約数和(自身を除く): 67580020

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 21317, 42634, 85268, 106585, 149219, 170536, 213170, 298438, 426340, 596876, 746095, 852680, 1044533, 1193752, 1492190, 2089066, 2984380, 4178132, 5222665, 5968760, 8356264, 10445330, 20890660, 41781320]

約数ペア:

[(1, 41781320), (2, 20890660), (4, 10445330), (5, 8356264), (7, 5968760), (8, 5222665), (10, 4178132), (14, 2984380), (20, 2089066), (28, 1492190), (35, 1193752), (40, 1044533), (49, 852680), (56, 746095), (70, 596876), (98, 426340), (140, 298438), (196, 213170), (245, 170536), (280, 149219), (392, 106585), (490, 85268), (980, 42634), (1960, 21317)]