2505040

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{181}}^1$

素因数の和:367

約数の個数: 40

約数和(自身を含む): 5890248

約数和(自身を除く): 3385208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 181, 346, 362, 692, 724, 865, 905, 1384, 1448, 1730, 1810, 2768, 2896, 3460, 3620, 6920, 7240, 13840, 14480, 31313, 62626, 125252, 156565, 250504, 313130, 501008, 626260, 1252520, 2505040]

約数ペア:

[(1, 2505040), (2, 1252520), (4, 626260), (5, 501008), (8, 313130), (10, 250504), (16, 156565), (20, 125252), (40, 62626), (80, 31313), (173, 14480), (181, 13840), (346, 7240), (362, 6920), (692, 3620), (724, 3460), (865, 2896), (905, 2768), (1384, 1810), (1448, 1730)]