25584920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{439}}^1$

素因数の和:528

約数の個数: 64

約数和(自身を含む): 60825600

約数和(自身を除く): 35240680

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 47, 62, 94, 124, 155, 188, 235, 248, 310, 376, 439, 470, 620, 878, 940, 1240, 1457, 1756, 1880, 2195, 2914, 3512, 4390, 5828, 7285, 8780, 11656, 13609, 14570, 17560, 20633, 27218, 29140, 41266, 54436, 58280, 68045, 82532, 103165, 108872, 136090, 165064, 206330, 272180, 412660, 544360, 639623, 825320, 1279246, 2558492, 3198115, 5116984, 6396230, 12792460, 25584920]

約数ペア:

[(1, 25584920), (2, 12792460), (4, 6396230), (5, 5116984), (8, 3198115), (10, 2558492), (20, 1279246), (31, 825320), (40, 639623), (47, 544360), (62, 412660), (94, 272180), (124, 206330), (155, 165064), (188, 136090), (235, 108872), (248, 103165), (310, 82532), (376, 68045), (439, 58280), (470, 54436), (620, 41266), (878, 29140), (940, 27218), (1240, 20633), (1457, 17560), (1756, 14570), (1880, 13609), (2195, 11656), (2914, 8780), (3512, 7285), (4390, 5828)]