25244040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{997}}^1$

素因数の和:1222

約数の個数: 64

約数和(自身を含む): 76167360

約数和(自身を除く): 50923320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 211, 422, 633, 844, 997, 1055, 1266, 1688, 1994, 2110, 2532, 2991, 3165, 3988, 4220, 4985, 5064, 5982, 6330, 7976, 8440, 9970, 11964, 12660, 14955, 19940, 23928, 25320, 29910, 39880, 59820, 119640, 210367, 420734, 631101, 841468, 1051835, 1262202, 1682936, 2103670, 2524404, 3155505, 4207340, 5048808, 6311010, 8414680, 12622020, 25244040]

約数ペア:

[(1, 25244040), (2, 12622020), (3, 8414680), (4, 6311010), (5, 5048808), (6, 4207340), (8, 3155505), (10, 2524404), (12, 2103670), (15, 1682936), (20, 1262202), (24, 1051835), (30, 841468), (40, 631101), (60, 420734), (120, 210367), (211, 119640), (422, 59820), (633, 39880), (844, 29910), (997, 25320), (1055, 23928), (1266, 19940), (1688, 14955), (1994, 12660), (2110, 11964), (2532, 9970), (2991, 8440), (3165, 7976), (3988, 6330), (4220, 5982), (4985, 5064)]