225475120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{216803}}^1$

素因数の和:216829

約数の個数: 40

約数和(自身を含む): 564557616

約数和(自身を除く): 339082496

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 216803, 433606, 867212, 1084015, 1734424, 2168030, 2818439, 3468848, 4336060, 5636878, 8672120, 11273756, 14092195, 17344240, 22547512, 28184390, 45095024, 56368780, 112737560, 225475120]

約数ペア:

[(1, 225475120), (2, 112737560), (4, 56368780), (5, 45095024), (8, 28184390), (10, 22547512), (13, 17344240), (16, 14092195), (20, 11273756), (26, 8672120), (40, 5636878), (52, 4336060), (65, 3468848), (80, 2818439), (104, 2168030), (130, 1734424), (208, 1084015), (260, 867212), (520, 433606), (1040, 216803)]