131115640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{2689}}^1$

素因数の和:2776

約数の個数: 64

約数和(自身を含む): 313761600

約数和(自身を除く): 182645960

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 53, 92, 106, 115, 184, 212, 230, 265, 424, 460, 530, 920, 1060, 1219, 2120, 2438, 2689, 4876, 5378, 6095, 9752, 10756, 12190, 13445, 21512, 24380, 26890, 48760, 53780, 61847, 107560, 123694, 142517, 247388, 285034, 309235, 494776, 570068, 618470, 712585, 1140136, 1236940, 1425170, 2473880, 2850340, 3277891, 5700680, 6555782, 13111564, 16389455, 26223128, 32778910, 65557820, 131115640]

約数ペア:

[(1, 131115640), (2, 65557820), (4, 32778910), (5, 26223128), (8, 16389455), (10, 13111564), (20, 6555782), (23, 5700680), (40, 3277891), (46, 2850340), (53, 2473880), (92, 1425170), (106, 1236940), (115, 1140136), (184, 712585), (212, 618470), (230, 570068), (265, 494776), (424, 309235), (460, 285034), (530, 247388), (920, 142517), (1060, 123694), (1219, 107560), (2120, 61847), (2438, 53780), (2689, 48760), (4876, 26890), (5378, 24380), (6095, 21512), (9752, 13445), (10756, 12190)]