16240780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1291}}^1$

素因数の和:1354

約数の個数: 48

約数和(自身を含む): 37116576

約数和(自身を除く): 20875796

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 170, 185, 340, 370, 629, 740, 1258, 1291, 2516, 2582, 3145, 5164, 6290, 6455, 12580, 12910, 21947, 25820, 43894, 47767, 87788, 95534, 109735, 191068, 219470, 238835, 438940, 477670, 812039, 955340, 1624078, 3248156, 4060195, 8120390, 16240780]

約数ペア:

[(1, 16240780), (2, 8120390), (4, 4060195), (5, 3248156), (10, 1624078), (17, 955340), (20, 812039), (34, 477670), (37, 438940), (68, 238835), (74, 219470), (85, 191068), (148, 109735), (170, 95534), (185, 87788), (340, 47767), (370, 43894), (629, 25820), (740, 21947), (1258, 12910), (1291, 12580), (2516, 6455), (2582, 6290), (3145, 5164)]