1401040

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1$

素因数の和:307

約数の個数: 40

約数和(自身を含む): 3312288

約数和(自身を除く): 1911248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 211, 332, 415, 422, 664, 830, 844, 1055, 1328, 1660, 1688, 2110, 3320, 3376, 4220, 6640, 8440, 16880, 17513, 35026, 70052, 87565, 140104, 175130, 280208, 350260, 700520, 1401040]

約数ペア:

[(1, 1401040), (2, 700520), (4, 350260), (5, 280208), (8, 175130), (10, 140104), (16, 87565), (20, 70052), (40, 35026), (80, 17513), (83, 16880), (166, 8440), (211, 6640), (332, 4220), (415, 3376), (422, 3320), (664, 2110), (830, 1688), (844, 1660), (1055, 1328)]