40872890

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{1453}}^1$

素因数の和:1586

約数の個数: 32

約数和(自身を含む): 76945680

約数和(自身を除く): 36072790

約数列:

[1, 2, 5, 10, 29, 58, 97, 145, 194, 290, 485, 970, 1453, 2813, 2906, 5626, 7265, 14065, 14530, 28130, 42137, 84274, 140941, 210685, 281882, 421370, 704705, 1409410, 4087289, 8174578, 20436445, 40872890]

約数ペア:

[(1, 40872890), (2, 20436445), (5, 8174578), (10, 4087289), (29, 1409410), (58, 704705), (97, 421370), (145, 281882), (194, 210685), (290, 140941), (485, 84274), (970, 42137), (1453, 28130), (2813, 14530), (2906, 14065), (5626, 7265)]