127959520

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61519}}^1$

素因数の和:61547

約数の個数: 48

約数和(自身を含む): 325563840

約数和(自身を除く): 197604320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 61519, 123038, 246076, 307595, 492152, 615190, 799747, 984304, 1230380, 1599494, 1968608, 2460760, 3198988, 3998735, 4921520, 6397976, 7997470, 9843040, 12795952, 15994940, 25591904, 31989880, 63979760, 127959520]

約数ペア:

[(1, 127959520), (2, 63979760), (4, 31989880), (5, 25591904), (8, 15994940), (10, 12795952), (13, 9843040), (16, 7997470), (20, 6397976), (26, 4921520), (32, 3998735), (40, 3198988), (52, 2460760), (65, 1968608), (80, 1599494), (104, 1230380), (130, 984304), (160, 799747), (208, 615190), (260, 492152), (416, 307595), (520, 246076), (1040, 123038), (2080, 61519)]