80412016

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{727}}^1$

素因数の和:989

約数の個数: 40

約数和(自身を含む): 161767424

約数和(自身を除く): 81355408

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 223, 248, 446, 496, 727, 892, 1454, 1784, 2908, 3568, 5816, 6913, 11632, 13826, 22537, 27652, 45074, 55304, 90148, 110608, 162121, 180296, 324242, 360592, 648484, 1296968, 2593936, 5025751, 10051502, 20103004, 40206008, 80412016]

約数ペア:

[(1, 80412016), (2, 40206008), (4, 20103004), (8, 10051502), (16, 5025751), (31, 2593936), (62, 1296968), (124, 648484), (223, 360592), (248, 324242), (446, 180296), (496, 162121), (727, 110608), (892, 90148), (1454, 55304), (1784, 45074), (2908, 27652), (3568, 22537), (5816, 13826), (6913, 11632)]