201392120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{162413}}^1$

素因数の和:162455

約数の個数: 32

約数和(自身を含む): 467752320

約数和(自身を除く): 266360200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 162413, 324826, 649652, 812065, 1299304, 1624130, 3248260, 5034803, 6496520, 10069606, 20139212, 25174015, 40278424, 50348030, 100696060, 201392120]

約数ペア:

[(1, 201392120), (2, 100696060), (4, 50348030), (5, 40278424), (8, 25174015), (10, 20139212), (20, 10069606), (31, 6496520), (40, 5034803), (62, 3248260), (124, 1624130), (155, 1299304), (248, 812065), (310, 649652), (620, 324826), (1240, 162413)]