2765360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2659}}^1$

素因数の和:2685

約数の個数: 40

約数和(自身を含む): 6926640

約数和(自身を除く): 4161280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 2659, 5318, 10636, 13295, 21272, 26590, 34567, 42544, 53180, 69134, 106360, 138268, 172835, 212720, 276536, 345670, 553072, 691340, 1382680, 2765360]

約数ペア:

[(1, 2765360), (2, 1382680), (4, 691340), (5, 553072), (8, 345670), (10, 276536), (13, 212720), (16, 172835), (20, 138268), (26, 106360), (40, 69134), (52, 53180), (65, 42544), (80, 34567), (104, 26590), (130, 21272), (208, 13295), (260, 10636), (520, 5318), (1040, 2659)]