71801120

素因数分解:

$2^5\times 5^1\times {\mathrm{281}}^1\times {\mathrm{1597}}^1$

素因数の和:1893

約数の個数: 48

約数和(自身を含む): 170340408

約数和(自身を除く): 98539288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 281, 562, 1124, 1405, 1597, 2248, 2810, 3194, 4496, 5620, 6388, 7985, 8992, 11240, 12776, 15970, 22480, 25552, 31940, 44960, 51104, 63880, 127760, 255520, 448757, 897514, 1795028, 2243785, 3590056, 4487570, 7180112, 8975140, 14360224, 17950280, 35900560, 71801120]

約数ペア:

[(1, 71801120), (2, 35900560), (4, 17950280), (5, 14360224), (8, 8975140), (10, 7180112), (16, 4487570), (20, 3590056), (32, 2243785), (40, 1795028), (80, 897514), (160, 448757), (281, 255520), (562, 127760), (1124, 63880), (1405, 51104), (1597, 44960), (2248, 31940), (2810, 25552), (3194, 22480), (4496, 15970), (5620, 12776), (6388, 11240), (7985, 8992)]