1985447440

素因数分解:

$2^4\times 5^1\times {\mathrm{3727}}^1\times {\mathrm{6659}}^1$

素因数の和:10399

約数の個数: 40

約数和(自身を含む): 4618097280

約数和(自身を除く): 2632649840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3727, 6659, 7454, 13318, 14908, 18635, 26636, 29816, 33295, 37270, 53272, 59632, 66590, 74540, 106544, 133180, 149080, 266360, 298160, 532720, 24818093, 49636186, 99272372, 124090465, 198544744, 248180930, 397089488, 496361860, 992723720, 1985447440]

約数ペア:

[(1, 1985447440), (2, 992723720), (4, 496361860), (5, 397089488), (8, 248180930), (10, 198544744), (16, 124090465), (20, 99272372), (40, 49636186), (80, 24818093), (3727, 532720), (6659, 298160), (7454, 266360), (13318, 149080), (14908, 133180), (18635, 106544), (26636, 74540), (29816, 66590), (33295, 59632), (37270, 53272)]