55539920

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{4013}}^1$

素因数の和:4199

約数の個数: 40

約数和(自身を含む): 129909096

約数和(自身を除く): 74369176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 346, 692, 865, 1384, 1730, 2768, 3460, 4013, 6920, 8026, 13840, 16052, 20065, 32104, 40130, 64208, 80260, 160520, 321040, 694249, 1388498, 2776996, 3471245, 5553992, 6942490, 11107984, 13884980, 27769960, 55539920]

約数ペア:

[(1, 55539920), (2, 27769960), (4, 13884980), (5, 11107984), (8, 6942490), (10, 5553992), (16, 3471245), (20, 2776996), (40, 1388498), (80, 694249), (173, 321040), (346, 160520), (692, 80260), (865, 64208), (1384, 40130), (1730, 32104), (2768, 20065), (3460, 16052), (4013, 13840), (6920, 8026)]