80793280

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4139}}^1$

素因数の和:4217

約数の個数: 56

約数和(自身を含む): 195590160

約数和(自身を除く): 114796880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 160, 244, 305, 320, 488, 610, 976, 1220, 1952, 2440, 3904, 4139, 4880, 8278, 9760, 16556, 19520, 20695, 33112, 41390, 66224, 82780, 132448, 165560, 252479, 264896, 331120, 504958, 662240, 1009916, 1262395, 1324480, 2019832, 2524790, 4039664, 5049580, 8079328, 10099160, 16158656, 20198320, 40396640, 80793280]

約数ペア:

[(1, 80793280), (2, 40396640), (4, 20198320), (5, 16158656), (8, 10099160), (10, 8079328), (16, 5049580), (20, 4039664), (32, 2524790), (40, 2019832), (61, 1324480), (64, 1262395), (80, 1009916), (122, 662240), (160, 504958), (244, 331120), (305, 264896), (320, 252479), (488, 165560), (610, 132448), (976, 82780), (1220, 66224), (1952, 41390), (2440, 33112), (3904, 20695), (4139, 19520), (4880, 16556), (8278, 9760)]