25629440

素因数分解:

$2^8\times 5^1\times {\mathrm{20023}}^1$

素因数の和:20044

約数の個数: 36

約数和(自身を含む): 61393584

約数和(自身を除く): 35764144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 20023, 40046, 80092, 100115, 160184, 200230, 320368, 400460, 640736, 800920, 1281472, 1601840, 2562944, 3203680, 5125888, 6407360, 12814720, 25629440]

約数ペア:

[(1, 25629440), (2, 12814720), (4, 6407360), (5, 5125888), (8, 3203680), (10, 2562944), (16, 1601840), (20, 1281472), (32, 800920), (40, 640736), (64, 400460), (80, 320368), (128, 200230), (160, 160184), (256, 100115), (320, 80092), (640, 40046), (1280, 20023)]