1333520

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1$

素因数の和:303

約数の個数: 40

約数和(自身を含む): 3154560

約数和(自身を除く): 1821040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 211, 316, 395, 422, 632, 790, 844, 1055, 1264, 1580, 1688, 2110, 3160, 3376, 4220, 6320, 8440, 16669, 16880, 33338, 66676, 83345, 133352, 166690, 266704, 333380, 666760, 1333520]

約数ペア:

[(1, 1333520), (2, 666760), (4, 333380), (5, 266704), (8, 166690), (10, 133352), (16, 83345), (20, 66676), (40, 33338), (79, 16880), (80, 16669), (158, 8440), (211, 6320), (316, 4220), (395, 3376), (422, 3160), (632, 2110), (790, 1688), (844, 1580), (1055, 1264)]