159963280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{105239}}^1$

素因数の和:105271

約数の個数: 40

約数和(自身を含む): 391492800

約数和(自身を除く): 231529520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 105239, 210478, 420956, 526195, 841912, 1052390, 1683824, 1999541, 2104780, 3999082, 4209560, 7998164, 8419120, 9997705, 15996328, 19995410, 31992656, 39990820, 79981640, 159963280]

約数ペア:

[(1, 159963280), (2, 79981640), (4, 39990820), (5, 31992656), (8, 19995410), (10, 15996328), (16, 9997705), (19, 8419120), (20, 7998164), (38, 4209560), (40, 3999082), (76, 2104780), (80, 1999541), (95, 1683824), (152, 1052390), (190, 841912), (304, 526195), (380, 420956), (760, 210478), (1520, 105239)]