40017804560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2791}}^1\times {\mathrm{9433}}^1$

素因数の和:12256

約数の個数: 80

約数和(自身を含む): 97983788160

約数和(自身を除く): 57965983600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 2791, 5582, 9433, 11164, 13955, 18866, 22328, 27910, 37732, 44656, 47165, 53029, 55820, 75464, 94330, 106058, 111640, 150928, 179227, 188660, 212116, 223280, 265145, 358454, 377320, 424232, 530290, 716908, 754640, 848464, 896135, 1060580, 1433816, 1792270, 2121160, 2867632, 3584540, 4242320, 7169080, 14338160, 26327503, 52655006, 105310012, 131637515, 210620024, 263275030, 421240048, 500222557, 526550060, 1000445114, 1053100120, 2000890228, 2106200240, 2501112785, 4001780456, 5002225570, 8003560912, 10004451140, 20008902280, 40017804560]

約数ペア:

[(1, 40017804560), (2, 20008902280), (4, 10004451140), (5, 8003560912), (8, 5002225570), (10, 4001780456), (16, 2501112785), (19, 2106200240), (20, 2000890228), (38, 1053100120), (40, 1000445114), (76, 526550060), (80, 500222557), (95, 421240048), (152, 263275030), (190, 210620024), (304, 131637515), (380, 105310012), (760, 52655006), (1520, 26327503), (2791, 14338160), (5582, 7169080), (9433, 4242320), (11164, 3584540), (13955, 2867632), (18866, 2121160), (22328, 1792270), (27910, 1433816), (37732, 1060580), (44656, 896135), (47165, 848464), (53029, 754640), (55820, 716908), (75464, 530290), (94330, 424232), (106058, 377320), (111640, 358454), (150928, 265145), (179227, 223280), (188660, 212116)]