51969920

素因数分解:

$2^7\times 5^1\times {\mathrm{81203}}^1$

素因数の和:81222

約数の個数: 32

約数和(自身を含む): 124242120

約数和(自身を除く): 72272200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 81203, 162406, 324812, 406015, 649624, 812030, 1299248, 1624060, 2598496, 3248120, 5196992, 6496240, 10393984, 12992480, 25984960, 51969920]

約数ペア:

[(1, 51969920), (2, 25984960), (4, 12992480), (5, 10393984), (8, 6496240), (10, 5196992), (16, 3248120), (20, 2598496), (32, 1624060), (40, 1299248), (64, 812030), (80, 649624), (128, 406015), (160, 324812), (320, 162406), (640, 81203)]