207968800

素因数分解:

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

素因数の和:20030

約数の個数: 72

約数和(自身を含む): 546785316

約数和(自身を除く): 338816516

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 800, 1040, 1300, 2080, 2600, 5200, 10400, 19997, 39994, 79988, 99985, 159976, 199970, 259961, 319952, 399940, 499925, 519922, 639904, 799880, 999850, 1039844, 1299805, 1599760, 1999700, 2079688, 2599610, 3199520, 3999400, 4159376, 5199220, 6499025, 7998800, 8318752, 10398440, 12998050, 15997600, 20796880, 25996100, 41593760, 51992200, 103984400, 207968800]

約数ペア:

[(1, 207968800), (2, 103984400), (4, 51992200), (5, 41593760), (8, 25996100), (10, 20796880), (13, 15997600), (16, 12998050), (20, 10398440), (25, 8318752), (26, 7998800), (32, 6499025), (40, 5199220), (50, 4159376), (52, 3999400), (65, 3199520), (80, 2599610), (100, 2079688), (104, 1999700), (130, 1599760), (160, 1299805), (200, 1039844), (208, 999850), (260, 799880), (325, 639904), (400, 519922), (416, 499925), (520, 399940), (650, 319952), (800, 259961), (1040, 199970), (1300, 159976), (2080, 99985), (2600, 79988), (5200, 39994), (10400, 19997)]