51470740

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{541}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 111452544

約数和(自身を除く): 59981804

約数列:

[1, 2, 4, 5, 10, 20, 67, 71, 134, 142, 268, 284, 335, 355, 541, 670, 710, 1082, 1340, 1420, 2164, 2705, 4757, 5410, 9514, 10820, 19028, 23785, 36247, 38411, 47570, 72494, 76822, 95140, 144988, 153644, 181235, 192055, 362470, 384110, 724940, 768220, 2573537, 5147074, 10294148, 12867685, 25735370, 51470740]

約数ペア:

[(1, 51470740), (2, 25735370), (4, 12867685), (5, 10294148), (10, 5147074), (20, 2573537), (67, 768220), (71, 724940), (134, 384110), (142, 362470), (268, 192055), (284, 181235), (335, 153644), (355, 144988), (541, 95140), (670, 76822), (710, 72494), (1082, 47570), (1340, 38411), (1420, 36247), (2164, 23785), (2705, 19028), (4757, 10820), (5410, 9514)]