63775520

素因数分解:

$2^5\times 5^1\times {\mathrm{199}}^1\times {\mathrm{2003}}^1$

素因数の和:2217

約数の個数: 48

約数和(自身を含む): 151502400

約数和(自身を除く): 87726880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 199, 398, 796, 995, 1592, 1990, 2003, 3184, 3980, 4006, 6368, 7960, 8012, 10015, 15920, 16024, 20030, 31840, 32048, 40060, 64096, 80120, 160240, 320480, 398597, 797194, 1594388, 1992985, 3188776, 3985970, 6377552, 7971940, 12755104, 15943880, 31887760, 63775520]

約数ペア:

[(1, 63775520), (2, 31887760), (4, 15943880), (5, 12755104), (8, 7971940), (10, 6377552), (16, 3985970), (20, 3188776), (32, 1992985), (40, 1594388), (80, 797194), (160, 398597), (199, 320480), (398, 160240), (796, 80120), (995, 64096), (1592, 40060), (1990, 32048), (2003, 31840), (3184, 20030), (3980, 16024), (4006, 15920), (6368, 10015), (7960, 8012)]