87434780

素因数分解:

$2^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{8761}}^1$

素因数の和:9269

約数の個数: 24

約数和(自身を含む): 184002000

約数和(自身を除く): 96567220

約数列:

[1, 2, 4, 5, 10, 20, 499, 998, 1996, 2495, 4990, 8761, 9980, 17522, 35044, 43805, 87610, 175220, 4371739, 8743478, 17486956, 21858695, 43717390, 87434780]

約数ペア:

[(1, 87434780), (2, 43717390), (4, 21858695), (5, 17486956), (10, 8743478), (20, 4371739), (499, 175220), (998, 87610), (1996, 43805), (2495, 35044), (4990, 17522), (8761, 9980)]