1256551420

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{211}}^1\times {\mathrm{1783}}^1$

素因数の和:2170

約数の個数: 48

約数和(自身を含む): 2668635648

約数和(自身を除く): 1412084228

約数列:

[1, 2, 4, 5, 10, 20, 167, 211, 334, 422, 668, 835, 844, 1055, 1670, 1783, 2110, 3340, 3566, 4220, 7132, 8915, 17830, 35237, 35660, 70474, 140948, 176185, 297761, 352370, 376213, 595522, 704740, 752426, 1191044, 1488805, 1504852, 1881065, 2977610, 3762130, 5955220, 7524260, 62827571, 125655142, 251310284, 314137855, 628275710, 1256551420]

約数ペア:

[(1, 1256551420), (2, 628275710), (4, 314137855), (5, 251310284), (10, 125655142), (20, 62827571), (167, 7524260), (211, 5955220), (334, 3762130), (422, 2977610), (668, 1881065), (835, 1504852), (844, 1488805), (1055, 1191044), (1670, 752426), (1783, 704740), (2110, 595522), (3340, 376213), (3566, 352370), (4220, 297761), (7132, 176185), (8915, 140948), (17830, 70474), (35237, 35660)]