13920140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1447}}^1$

素因数の和:1506

約数の個数: 48

約数和(自身を含む): 32354112

約数和(自身を除く): 18433972

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1447, 1924, 2405, 2894, 4810, 5788, 7235, 9620, 14470, 18811, 28940, 37622, 53539, 75244, 94055, 107078, 188110, 214156, 267695, 376220, 535390, 696007, 1070780, 1392014, 2784028, 3480035, 6960070, 13920140]

約数ペア:

[(1, 13920140), (2, 6960070), (4, 3480035), (5, 2784028), (10, 1392014), (13, 1070780), (20, 696007), (26, 535390), (37, 376220), (52, 267695), (65, 214156), (74, 188110), (130, 107078), (148, 94055), (185, 75244), (260, 53539), (370, 37622), (481, 28940), (740, 18811), (962, 14470), (1447, 9620), (1924, 7235), (2405, 5788), (2894, 4810)]