43938640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1$

素因数の和:380

約数の個数: 80

約数和(自身を含む): 108832320

約数和(自身を除く): 64893680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 137, 152, 190, 211, 274, 304, 380, 422, 548, 685, 760, 844, 1055, 1096, 1370, 1520, 1688, 2110, 2192, 2603, 2740, 3376, 4009, 4220, 5206, 5480, 8018, 8440, 10412, 10960, 13015, 16036, 16880, 20045, 20824, 26030, 28907, 32072, 40090, 41648, 52060, 57814, 64144, 80180, 104120, 115628, 144535, 160360, 208240, 231256, 289070, 320720, 462512, 549233, 578140, 1098466, 1156280, 2196932, 2312560, 2746165, 4393864, 5492330, 8787728, 10984660, 21969320, 43938640]

約数ペア:

[(1, 43938640), (2, 21969320), (4, 10984660), (5, 8787728), (8, 5492330), (10, 4393864), (16, 2746165), (19, 2312560), (20, 2196932), (38, 1156280), (40, 1098466), (76, 578140), (80, 549233), (95, 462512), (137, 320720), (152, 289070), (190, 231256), (211, 208240), (274, 160360), (304, 144535), (380, 115628), (422, 104120), (548, 80180), (685, 64144), (760, 57814), (844, 52060), (1055, 41648), (1096, 40090), (1370, 32072), (1520, 28907), (1688, 26030), (2110, 20824), (2192, 20045), (2603, 16880), (2740, 16036), (3376, 13015), (4009, 10960), (4220, 10412), (5206, 8440), (5480, 8018)]