86855840

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{28571}}^1$

素因数の和:28605

約数の個数: 48

約数和(自身を含む): 216004320

約数和(自身を除く): 129148480

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, 28571, 57142, 114284, 142855, 228568, 285710, 457136, 542849, 571420, 914272, 1085698, 1142840, 2171396, 2285680, 2714245, 4342792, 4571360, 5428490, 8685584, 10856980, 17371168, 21713960, 43427920, 86855840]

約数ペア:

[(1, 86855840), (2, 43427920), (4, 21713960), (5, 17371168), (8, 10856980), (10, 8685584), (16, 5428490), (19, 4571360), (20, 4342792), (32, 2714245), (38, 2285680), (40, 2171396), (76, 1142840), (80, 1085698), (95, 914272), (152, 571420), (160, 542849), (190, 457136), (304, 285710), (380, 228568), (608, 142855), (760, 114284), (1520, 57142), (3040, 28571)]