2566600

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{313}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 6132420

約数和(自身を除く): 3565820

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 164, 200, 205, 313, 328, 410, 626, 820, 1025, 1252, 1565, 1640, 2050, 2504, 3130, 4100, 6260, 7825, 8200, 12520, 12833, 15650, 25666, 31300, 51332, 62600, 64165, 102664, 128330, 256660, 320825, 513320, 641650, 1283300, 2566600]

約数ペア:

[(1, 2566600), (2, 1283300), (4, 641650), (5, 513320), (8, 320825), (10, 256660), (20, 128330), (25, 102664), (40, 64165), (41, 62600), (50, 51332), (82, 31300), (100, 25666), (164, 15650), (200, 12833), (205, 12520), (313, 8200), (328, 7825), (410, 6260), (626, 4100), (820, 3130), (1025, 2504), (1252, 2050), (1565, 1640)]