71981200

素因数分解:

$2^4\times 5^2\times {\mathrm{179953}}^1$

素因数の和:179971

約数の個数: 30

約数和(自身を含む): 172935794

約数和(自身を除く): 100954594

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 179953, 359906, 719812, 899765, 1439624, 1799530, 2879248, 3599060, 4498825, 7198120, 8997650, 14396240, 17995300, 35990600, 71981200]

約数ペア:

[(1, 71981200), (2, 35990600), (4, 17995300), (5, 14396240), (8, 8997650), (10, 7198120), (16, 4498825), (20, 3599060), (25, 2879248), (40, 1799530), (50, 1439624), (80, 899765), (100, 719812), (200, 359906), (400, 179953)]