80658800

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{10613}}^1$

素因数の和:10650

約数の個数: 60

約数和(自身を含む): 204001080

約数和(自身を除く): 123342280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 152, 190, 200, 304, 380, 400, 475, 760, 950, 1520, 1900, 3800, 7600, 10613, 21226, 42452, 53065, 84904, 106130, 169808, 201647, 212260, 265325, 403294, 424520, 530650, 806588, 849040, 1008235, 1061300, 1613176, 2016470, 2122600, 3226352, 4032940, 4245200, 5041175, 8065880, 10082350, 16131760, 20164700, 40329400, 80658800]

約数ペア:

[(1, 80658800), (2, 40329400), (4, 20164700), (5, 16131760), (8, 10082350), (10, 8065880), (16, 5041175), (19, 4245200), (20, 4032940), (25, 3226352), (38, 2122600), (40, 2016470), (50, 1613176), (76, 1061300), (80, 1008235), (95, 849040), (100, 806588), (152, 530650), (190, 424520), (200, 403294), (304, 265325), (380, 212260), (400, 201647), (475, 169808), (760, 106130), (950, 84904), (1520, 53065), (1900, 42452), (3800, 21226), (7600, 10613)]