258396800

素因数分解:

$2^7\times 5^2\times {\mathrm{80749}}^1$

素因数の和:80773

約数の個数: 48

約数和(自身を含む): 638328750

約数和(自身を除く): 379931950

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 80749, 161498, 322996, 403745, 645992, 807490, 1291984, 1614980, 2018725, 2583968, 3229960, 4037450, 5167936, 6459920, 8074900, 10335872, 12919840, 16149800, 25839680, 32299600, 51679360, 64599200, 129198400, 258396800]

約数ペア:

[(1, 258396800), (2, 129198400), (4, 64599200), (5, 51679360), (8, 32299600), (10, 25839680), (16, 16149800), (20, 12919840), (25, 10335872), (32, 8074900), (40, 6459920), (50, 5167936), (64, 4037450), (80, 3229960), (100, 2583968), (128, 2018725), (160, 1614980), (200, 1291984), (320, 807490), (400, 645992), (640, 403745), (800, 322996), (1600, 161498), (3200, 80749)]