51992200

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19997}}^1$

素因数の和:20026

約数の個数: 48

約数和(自身を含む): 130186980

約数和(自身を除く): 78194780

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 19997, 39994, 79988, 99985, 159976, 199970, 259961, 399940, 499925, 519922, 799880, 999850, 1039844, 1299805, 1999700, 2079688, 2599610, 3999400, 5199220, 6499025, 10398440, 12998050, 25996100, 51992200]

約数ペア:

[(1, 51992200), (2, 25996100), (4, 12998050), (5, 10398440), (8, 6499025), (10, 5199220), (13, 3999400), (20, 2599610), (25, 2079688), (26, 1999700), (40, 1299805), (50, 1039844), (52, 999850), (65, 799880), (100, 519922), (104, 499925), (130, 399940), (200, 259961), (260, 199970), (325, 159976), (520, 99985), (650, 79988), (1300, 39994), (2600, 19997)]