38754872

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 81648000

約数和(自身を除く): 42893128

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 79, 89, 104, 106, 158, 178, 212, 316, 356, 424, 632, 689, 712, 1027, 1157, 1378, 2054, 2314, 2756, 4108, 4187, 4628, 4717, 5512, 7031, 8216, 8374, 9256, 9434, 14062, 16748, 18868, 28124, 33496, 37736, 54431, 56248, 61321, 91403, 108862, 122642, 182806, 217724, 245284, 365612, 372643, 435448, 490568, 731224, 745286, 1490572, 2981144, 4844359, 9688718, 19377436, 38754872]

約数ペア:

[(1, 38754872), (2, 19377436), (4, 9688718), (8, 4844359), (13, 2981144), (26, 1490572), (52, 745286), (53, 731224), (79, 490568), (89, 435448), (104, 372643), (106, 365612), (158, 245284), (178, 217724), (212, 182806), (316, 122642), (356, 108862), (424, 91403), (632, 61321), (689, 56248), (712, 54431), (1027, 37736), (1157, 33496), (1378, 28124), (2054, 18868), (2314, 16748), (2756, 14062), (4108, 9434), (4187, 9256), (4628, 8374), (4717, 8216), (5512, 7031)]