123243920

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{26111}}^1$

素因数の和:26183

約数の個数: 40

約数和(自身を含む): 291409920

約数和(自身を除く): 168166000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 295, 472, 590, 944, 1180, 2360, 4720, 26111, 52222, 104444, 130555, 208888, 261110, 417776, 522220, 1044440, 1540549, 2088880, 3081098, 6162196, 7702745, 12324392, 15405490, 24648784, 30810980, 61621960, 123243920]

約数ペア:

[(1, 123243920), (2, 61621960), (4, 30810980), (5, 24648784), (8, 15405490), (10, 12324392), (16, 7702745), (20, 6162196), (40, 3081098), (59, 2088880), (80, 1540549), (118, 1044440), (236, 522220), (295, 417776), (472, 261110), (590, 208888), (944, 130555), (1180, 104444), (2360, 52222), (4720, 26111)]