80100080

素因数分解:

$2^4\times 5^1\times {\mathrm{359}}^1\times {\mathrm{2789}}^1$

素因数の和:3161

約数の個数: 40

約数和(自身を含む): 186818400

約数和(自身を除く): 106718320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 359, 718, 1436, 1795, 2789, 2872, 3590, 5578, 5744, 7180, 11156, 13945, 14360, 22312, 27890, 28720, 44624, 55780, 111560, 223120, 1001251, 2002502, 4005004, 5006255, 8010008, 10012510, 16020016, 20025020, 40050040, 80100080]

約数ペア:

[(1, 80100080), (2, 40050040), (4, 20025020), (5, 16020016), (8, 10012510), (10, 8010008), (16, 5006255), (20, 4005004), (40, 2002502), (80, 1001251), (359, 223120), (718, 111560), (1436, 55780), (1795, 44624), (2789, 28720), (2872, 27890), (3590, 22312), (5578, 14360), (5744, 13945), (7180, 11156)]