25713920

素因数分解:

$2^8\times 5^1\times {\mathrm{20089}}^1$

素因数の和:20110

約数の個数: 36

約数和(自身を含む): 61595940

約数和(自身を除く): 35882020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 20089, 40178, 80356, 100445, 160712, 200890, 321424, 401780, 642848, 803560, 1285696, 1607120, 2571392, 3214240, 5142784, 6428480, 12856960, 25713920]

約数ペア:

[(1, 25713920), (2, 12856960), (4, 6428480), (5, 5142784), (8, 3214240), (10, 2571392), (16, 1607120), (20, 1285696), (32, 803560), (40, 642848), (64, 401780), (80, 321424), (128, 200890), (160, 160712), (256, 100445), (320, 80356), (640, 40178), (1280, 20089)]