2040802580

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{24967}}^1$

素因数の和:25104

約数の個数: 48

約数和(自身を含む): 4421133696

約数和(自身を除く): 2380331116

約数列:

[1, 2, 4, 5, 10, 20, 61, 67, 122, 134, 244, 268, 305, 335, 610, 670, 1220, 1340, 4087, 8174, 16348, 20435, 24967, 40870, 49934, 81740, 99868, 124835, 249670, 499340, 1522987, 1672789, 3045974, 3345578, 6091948, 6691156, 7614935, 8363945, 15229870, 16727890, 30459740, 33455780, 102040129, 204080258, 408160516, 510200645, 1020401290, 2040802580]

約数ペア:

[(1, 2040802580), (2, 1020401290), (4, 510200645), (5, 408160516), (10, 204080258), (20, 102040129), (61, 33455780), (67, 30459740), (122, 16727890), (134, 15229870), (244, 8363945), (268, 7614935), (305, 6691156), (335, 6091948), (610, 3345578), (670, 3045974), (1220, 1672789), (1340, 1522987), (4087, 499340), (8174, 249670), (16348, 124835), (20435, 99868), (24967, 81740), (40870, 49934)]