201076520

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{27773}}^1$

素因数の和:27965

約数の個数: 32

約数和(自身を含む): 454938120

約数和(自身を除く): 253861600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 3620, 7240, 27773, 55546, 111092, 138865, 222184, 277730, 555460, 1110920, 5026913, 10053826, 20107652, 25134565, 40215304, 50269130, 100538260, 201076520]

約数ペア:

[(1, 201076520), (2, 100538260), (4, 50269130), (5, 40215304), (8, 25134565), (10, 20107652), (20, 10053826), (40, 5026913), (181, 1110920), (362, 555460), (724, 277730), (905, 222184), (1448, 138865), (1810, 111092), (3620, 55546), (7240, 27773)]