25473920

素因数分解:

$2^7\times 5^1\times {\mathrm{53}}^1\times {\mathrm{751}}^1$

素因数の和:823

約数の個数: 64

約数和(自身を含む): 62130240

約数和(自身を除く): 36656320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 265, 320, 424, 530, 640, 751, 848, 1060, 1502, 1696, 2120, 3004, 3392, 3755, 4240, 6008, 6784, 7510, 8480, 12016, 15020, 16960, 24032, 30040, 33920, 39803, 48064, 60080, 79606, 96128, 120160, 159212, 199015, 240320, 318424, 398030, 480640, 636848, 796060, 1273696, 1592120, 2547392, 3184240, 5094784, 6368480, 12736960, 25473920]

約数ペア:

[(1, 25473920), (2, 12736960), (4, 6368480), (5, 5094784), (8, 3184240), (10, 2547392), (16, 1592120), (20, 1273696), (32, 796060), (40, 636848), (53, 480640), (64, 398030), (80, 318424), (106, 240320), (128, 199015), (160, 159212), (212, 120160), (265, 96128), (320, 79606), (424, 60080), (530, 48064), (640, 39803), (751, 33920), (848, 30040), (1060, 24032), (1502, 16960), (1696, 15020), (2120, 12016), (3004, 8480), (3392, 7510), (3755, 6784), (4240, 6008)]