120902440

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73721}}^1$

素因数の和:73773

約数の個数: 32

約数和(自身を含む): 278669160

約数和(自身を除く): 157766720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 73721, 147442, 294884, 368605, 589768, 737210, 1474420, 2948840, 3022561, 6045122, 12090244, 15112805, 24180488, 30225610, 60451220, 120902440]

約数ペア:

[(1, 120902440), (2, 60451220), (4, 30225610), (5, 24180488), (8, 15112805), (10, 12090244), (20, 6045122), (40, 3022561), (41, 2948840), (82, 1474420), (164, 737210), (205, 589768), (328, 368605), (410, 294884), (820, 147442), (1640, 73721)]