81638050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{125597}}^1$

素因数の和:125622

約数の個数: 24

約数和(自身を含む): 163528596

約数和(自身を除く): 81890546

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 125597, 251194, 627985, 1255970, 1632761, 3139925, 3265522, 6279850, 8163805, 16327610, 40819025, 81638050]

約数ペア:

[(1, 81638050), (2, 40819025), (5, 16327610), (10, 8163805), (13, 6279850), (25, 3265522), (26, 3139925), (50, 1632761), (65, 1255970), (130, 627985), (325, 251194), (650, 125597)]