1281291280

素因数分解:

$2^4\times 5^1\times {\mathrm{937}}^1\times {\mathrm{17093}}^1$

素因数の和:18043

約数の個数: 40

約数和(自身を含む): 2982355992

約数和(自身を除く): 1701064712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 937, 1874, 3748, 4685, 7496, 9370, 14992, 17093, 18740, 34186, 37480, 68372, 74960, 85465, 136744, 170930, 273488, 341860, 683720, 1367440, 16016141, 32032282, 64064564, 80080705, 128129128, 160161410, 256258256, 320322820, 640645640, 1281291280]

約数ペア:

[(1, 1281291280), (2, 640645640), (4, 320322820), (5, 256258256), (8, 160161410), (10, 128129128), (16, 80080705), (20, 64064564), (40, 32032282), (80, 16016141), (937, 1367440), (1874, 683720), (3748, 341860), (4685, 273488), (7496, 170930), (9370, 136744), (14992, 85465), (17093, 74960), (18740, 68372), (34186, 37480)]