2566340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{797}}^1$

素因数の和:836

約数の個数: 48

約数和(自身を含む): 6435072

約数和(自身を除く): 3868732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 797, 805, 1594, 1610, 3188, 3220, 3985, 5579, 7970, 11158, 15940, 18331, 22316, 27895, 36662, 55790, 73324, 91655, 111580, 128317, 183310, 256634, 366620, 513268, 641585, 1283170, 2566340]

約数ペア:

[(1, 2566340), (2, 1283170), (4, 641585), (5, 513268), (7, 366620), (10, 256634), (14, 183310), (20, 128317), (23, 111580), (28, 91655), (35, 73324), (46, 55790), (70, 36662), (92, 27895), (115, 22316), (140, 18331), (161, 15940), (230, 11158), (322, 7970), (460, 5579), (644, 3985), (797, 3220), (805, 3188), (1594, 1610)]