26126920

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1597}}^1$

素因数の和:2017

約数の個数: 32

約数和(自身を含む): 58966200

約数和(自身を除く): 32839280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1597, 1636, 2045, 3194, 3272, 4090, 6388, 7985, 8180, 12776, 15970, 16360, 31940, 63880, 653173, 1306346, 2612692, 3265865, 5225384, 6531730, 13063460, 26126920]

約数ペア:

[(1, 26126920), (2, 13063460), (4, 6531730), (5, 5225384), (8, 3265865), (10, 2612692), (20, 1306346), (40, 653173), (409, 63880), (818, 31940), (1597, 16360), (1636, 15970), (2045, 12776), (3194, 8180), (3272, 7985), (4090, 6388)]