77480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1$

素因数の和:173

約数の個数: 32

約数和(自身を含む): 189000

約数和(自身を除く): 111520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 149, 260, 298, 520, 596, 745, 1192, 1490, 1937, 2980, 3874, 5960, 7748, 9685, 15496, 19370, 38740, 77480]

約数ペア:

[(1, 77480), (2, 38740), (4, 19370), (5, 15496), (8, 9685), (10, 7748), (13, 5960), (20, 3874), (26, 2980), (40, 1937), (52, 1490), (65, 1192), (104, 745), (130, 596), (149, 520), (260, 298)]