2758120

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1301}}^1$

素因数の和:1365

約数の個数: 32

約数和(自身を含む): 6327720

約数和(自身を除く): 3569600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 1301, 2120, 2602, 5204, 6505, 10408, 13010, 26020, 52040, 68953, 137906, 275812, 344765, 551624, 689530, 1379060, 2758120]

約数ペア:

[(1, 2758120), (2, 1379060), (4, 689530), (5, 551624), (8, 344765), (10, 275812), (20, 137906), (40, 68953), (53, 52040), (106, 26020), (212, 13010), (265, 10408), (424, 6505), (530, 5204), (1060, 2602), (1301, 2120)]