13200520

素因数分解:

$2^3\times 5^1\times {\mathrm{523}}^1\times {\mathrm{631}}^1$

素因数の和:1165

約数の個数: 32

約数和(自身を含む): 29805120

約数和(自身を除く): 16604600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 523, 631, 1046, 1262, 2092, 2524, 2615, 3155, 4184, 5048, 5230, 6310, 10460, 12620, 20920, 25240, 330013, 660026, 1320052, 1650065, 2640104, 3300130, 6600260, 13200520]

約数ペア:

[(1, 13200520), (2, 6600260), (4, 3300130), (5, 2640104), (8, 1650065), (10, 1320052), (20, 660026), (40, 330013), (523, 25240), (631, 20920), (1046, 12620), (1262, 10460), (2092, 6310), (2524, 5230), (2615, 5048), (3155, 4184)]