25227860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2281}}^1$

素因数の和:2376

約数の個数: 48

約数和(自身を含む): 61340160

約数和(自身を除く): 36112300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2281, 2765, 4562, 5530, 9124, 11060, 11405, 15967, 22810, 31934, 45620, 63868, 79835, 159670, 180199, 319340, 360398, 720796, 900995, 1261393, 1801990, 2522786, 3603980, 5045572, 6306965, 12613930, 25227860]

約数ペア:

[(1, 25227860), (2, 12613930), (4, 6306965), (5, 5045572), (7, 3603980), (10, 2522786), (14, 1801990), (20, 1261393), (28, 900995), (35, 720796), (70, 360398), (79, 319340), (140, 180199), (158, 159670), (316, 79835), (395, 63868), (553, 45620), (790, 31934), (1106, 22810), (1580, 15967), (2212, 11405), (2281, 11060), (2765, 9124), (4562, 5530)]