251015840

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{82571}}^1$

素因数の和:82605

約数の個数: 48

約数和(自身を含む): 624244320

約数和(自身を除く): 373228480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 82571, 165142, 330284, 412855, 660568, 825710, 1321136, 1568849, 1651420, 2642272, 3137698, 3302840, 6275396, 6605680, 7844245, 12550792, 13211360, 15688490, 25101584, 31376980, 50203168, 62753960, 125507920, 251015840]

約数ペア:

[(1, 251015840), (2, 125507920), (4, 62753960), (5, 50203168), (8, 31376980), (10, 25101584), (16, 15688490), (19, 13211360), (20, 12550792), (32, 7844245), (38, 6605680), (40, 6275396), (76, 3302840), (80, 3137698), (95, 2642272), (152, 1651420), (160, 1568849), (190, 1321136), (304, 825710), (380, 660568), (608, 412855), (760, 330284), (1520, 165142), (3040, 82571)]