9963820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{419}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 22226400

約数和(自身を除く): 12262580

約数列:

[1, 2, 4, 5, 10, 20, 29, 41, 58, 82, 116, 145, 164, 205, 290, 410, 419, 580, 820, 838, 1189, 1676, 2095, 2378, 4190, 4756, 5945, 8380, 11890, 12151, 17179, 23780, 24302, 34358, 48604, 60755, 68716, 85895, 121510, 171790, 243020, 343580, 498191, 996382, 1992764, 2490955, 4981910, 9963820]

約数ペア:

[(1, 9963820), (2, 4981910), (4, 2490955), (5, 1992764), (10, 996382), (20, 498191), (29, 343580), (41, 243020), (58, 171790), (82, 121510), (116, 85895), (145, 68716), (164, 60755), (205, 48604), (290, 34358), (410, 24302), (419, 23780), (580, 17179), (820, 12151), (838, 11890), (1189, 8380), (1676, 5945), (2095, 4756), (2378, 4190)]