80396480

素因数分解:

$2^6\times 5^1\times {\mathrm{277}}^1\times {\mathrm{907}}^1$

素因数の和:1201

約数の個数: 56

約数和(自身を含む): 192347088

約数和(自身を除く): 111950608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 277, 320, 554, 907, 1108, 1385, 1814, 2216, 2770, 3628, 4432, 4535, 5540, 7256, 8864, 9070, 11080, 14512, 17728, 18140, 22160, 29024, 36280, 44320, 58048, 72560, 88640, 145120, 251239, 290240, 502478, 1004956, 1256195, 2009912, 2512390, 4019824, 5024780, 8039648, 10049560, 16079296, 20099120, 40198240, 80396480]

約数ペア:

[(1, 80396480), (2, 40198240), (4, 20099120), (5, 16079296), (8, 10049560), (10, 8039648), (16, 5024780), (20, 4019824), (32, 2512390), (40, 2009912), (64, 1256195), (80, 1004956), (160, 502478), (277, 290240), (320, 251239), (554, 145120), (907, 88640), (1108, 72560), (1385, 58048), (1814, 44320), (2216, 36280), (2770, 29024), (3628, 22160), (4432, 18140), (4535, 17728), (5540, 14512), (7256, 11080), (8864, 9070)]