25312480

素因数分解:

$2^5\times 5^1\times {\mathrm{281}}^1\times {\mathrm{563}}^1$

素因数の和:859

約数の個数: 48

約数和(自身を含む): 60120144

約数和(自身を除く): 34807664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 281, 562, 563, 1124, 1126, 1405, 2248, 2252, 2810, 2815, 4496, 4504, 5620, 5630, 8992, 9008, 11240, 11260, 18016, 22480, 22520, 44960, 45040, 90080, 158203, 316406, 632812, 791015, 1265624, 1582030, 2531248, 3164060, 5062496, 6328120, 12656240, 25312480]

約数ペア:

[(1, 25312480), (2, 12656240), (4, 6328120), (5, 5062496), (8, 3164060), (10, 2531248), (16, 1582030), (20, 1265624), (32, 791015), (40, 632812), (80, 316406), (160, 158203), (281, 90080), (562, 45040), (563, 44960), (1124, 22520), (1126, 22480), (1405, 18016), (2248, 11260), (2252, 11240), (2810, 9008), (2815, 8992), (4496, 5630), (4504, 5620)]