25184220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{997}}^1$

素因数の和:1430

約数の個数: 48

約数和(自身を含む): 70754208

約数和(自身を除く): 45569988

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 421, 842, 997, 1263, 1684, 1994, 2105, 2526, 2991, 3988, 4210, 4985, 5052, 5982, 6315, 8420, 9970, 11964, 12630, 14955, 19940, 25260, 29910, 59820, 419737, 839474, 1259211, 1678948, 2098685, 2518422, 4197370, 5036844, 6296055, 8394740, 12592110, 25184220]

約数ペア:

[(1, 25184220), (2, 12592110), (3, 8394740), (4, 6296055), (5, 5036844), (6, 4197370), (10, 2518422), (12, 2098685), (15, 1678948), (20, 1259211), (30, 839474), (60, 419737), (421, 59820), (842, 29910), (997, 25260), (1263, 19940), (1684, 14955), (1994, 12630), (2105, 11964), (2526, 9970), (2991, 8420), (3988, 6315), (4210, 5982), (4985, 5052)]