25200520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20323}}^1$

素因数の和:20365

約数の個数: 32

約数和(自身を含む): 58533120

約数和(自身を除く): 33332600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 20323, 40646, 81292, 101615, 162584, 203230, 406460, 630013, 812920, 1260026, 2520052, 3150065, 5040104, 6300130, 12600260, 25200520]

約数ペア:

[(1, 25200520), (2, 12600260), (4, 6300130), (5, 5040104), (8, 3150065), (10, 2520052), (20, 1260026), (31, 812920), (40, 630013), (62, 406460), (124, 203230), (155, 162584), (248, 101615), (310, 81292), (620, 40646), (1240, 20323)]