25119820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{503}}^1$

素因数の和:750

約数の個数: 48

約数和(自身を含む): 57915648

約数和(自身を除く): 32795828

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 227, 454, 503, 908, 1006, 1135, 2012, 2270, 2497, 2515, 4540, 4994, 5030, 5533, 9988, 10060, 11066, 12485, 22132, 24970, 27665, 49940, 55330, 110660, 114181, 228362, 456724, 570905, 1141810, 1255991, 2283620, 2511982, 5023964, 6279955, 12559910, 25119820]

約数ペア:

[(1, 25119820), (2, 12559910), (4, 6279955), (5, 5023964), (10, 2511982), (11, 2283620), (20, 1255991), (22, 1141810), (44, 570905), (55, 456724), (110, 228362), (220, 114181), (227, 110660), (454, 55330), (503, 49940), (908, 27665), (1006, 24970), (1135, 22132), (2012, 12485), (2270, 11066), (2497, 10060), (2515, 9988), (4540, 5533), (4994, 5030)]