208833160

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{58661}}^1$

素因数の和:58761

約数の個数: 32

約数和(自身を含む): 475162200

約数和(自身を除く): 266329040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 58661, 117322, 234644, 293305, 469288, 586610, 1173220, 2346440, 5220829, 10441658, 20883316, 26104145, 41766632, 52208290, 104416580, 208833160]

約数ペア:

[(1, 208833160), (2, 104416580), (4, 52208290), (5, 41766632), (8, 26104145), (10, 20883316), (20, 10441658), (40, 5220829), (89, 2346440), (178, 1173220), (356, 586610), (445, 469288), (712, 293305), (890, 234644), (1780, 117322), (3560, 58661)]