28076347120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18471281}}^1$

素因数の和:18471313

約数の個数: 40

約数和(自身を含む): 68713169040

約数和(自身を除く): 40636821920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 18471281, 36942562, 73885124, 92356405, 147770248, 184712810, 295540496, 350954339, 369425620, 701908678, 738851240, 1403817356, 1477702480, 1754771695, 2807634712, 3509543390, 5615269424, 7019086780, 14038173560, 28076347120]

約数ペア:

[(1, 28076347120), (2, 14038173560), (4, 7019086780), (5, 5615269424), (8, 3509543390), (10, 2807634712), (16, 1754771695), (19, 1477702480), (20, 1403817356), (38, 738851240), (40, 701908678), (76, 369425620), (80, 350954339), (95, 295540496), (152, 184712810), (190, 147770248), (304, 92356405), (380, 73885124), (760, 36942562), (1520, 18471281)]