79668440

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{317}}^1$

素因数の和:492

約数の個数: 64

約数和(自身を含む): 184541760

約数和(自身を除く): 104873320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 103, 122, 206, 244, 305, 317, 412, 488, 515, 610, 634, 824, 1030, 1220, 1268, 1585, 2060, 2440, 2536, 3170, 4120, 6283, 6340, 12566, 12680, 19337, 25132, 31415, 32651, 38674, 50264, 62830, 65302, 77348, 96685, 125660, 130604, 154696, 163255, 193370, 251320, 261208, 326510, 386740, 653020, 773480, 1306040, 1991711, 3983422, 7966844, 9958555, 15933688, 19917110, 39834220, 79668440]

約数ペア:

[(1, 79668440), (2, 39834220), (4, 19917110), (5, 15933688), (8, 9958555), (10, 7966844), (20, 3983422), (40, 1991711), (61, 1306040), (103, 773480), (122, 653020), (206, 386740), (244, 326510), (305, 261208), (317, 251320), (412, 193370), (488, 163255), (515, 154696), (610, 130604), (634, 125660), (824, 96685), (1030, 77348), (1220, 65302), (1268, 62830), (1585, 50264), (2060, 38674), (2440, 32651), (2536, 31415), (3170, 25132), (4120, 19337), (6283, 12680), (6340, 12566)]