258707200

素因数分解:

$2^8\times 5^2\times {\mathrm{40423}}^1$

素因数の和:40449

約数の個数: 54

約数和(自身を含む): 640356584

約数和(自身を除く): 381649384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1280, 1600, 3200, 6400, 40423, 80846, 161692, 202115, 323384, 404230, 646768, 808460, 1010575, 1293536, 1616920, 2021150, 2587072, 3233840, 4042300, 5174144, 6467680, 8084600, 10348288, 12935360, 16169200, 25870720, 32338400, 51741440, 64676800, 129353600, 258707200]

約数ペア:

[(1, 258707200), (2, 129353600), (4, 64676800), (5, 51741440), (8, 32338400), (10, 25870720), (16, 16169200), (20, 12935360), (25, 10348288), (32, 8084600), (40, 6467680), (50, 5174144), (64, 4042300), (80, 3233840), (100, 2587072), (128, 2021150), (160, 1616920), (200, 1293536), (256, 1010575), (320, 808460), (400, 646768), (640, 404230), (800, 323384), (1280, 202115), (1600, 161692), (3200, 80846), (6400, 40423)]