1881520

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{811}}^1$

素因数の和:853

約数の個数: 40

約数和(自身を含む): 4530960

約数和(自身を除く): 2649440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 811, 1160, 1622, 2320, 3244, 4055, 6488, 8110, 12976, 16220, 23519, 32440, 47038, 64880, 94076, 117595, 188152, 235190, 376304, 470380, 940760, 1881520]

約数ペア:

[(1, 1881520), (2, 940760), (4, 470380), (5, 376304), (8, 235190), (10, 188152), (16, 117595), (20, 94076), (29, 64880), (40, 47038), (58, 32440), (80, 23519), (116, 16220), (145, 12976), (232, 8110), (290, 6488), (464, 4055), (580, 3244), (811, 2320), (1160, 1622)]