25454080

素因数分解:

$2^9\times 5^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:247

約数の個数: 80

約数和(自身を含む): 62411184

約数和(自身を除く): 36957104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 163, 244, 256, 305, 320, 326, 488, 512, 610, 640, 652, 815, 976, 1220, 1280, 1304, 1630, 1952, 2440, 2560, 2608, 3260, 3904, 4880, 5216, 6520, 7808, 9760, 9943, 10432, 13040, 15616, 19520, 19886, 20864, 26080, 31232, 39040, 39772, 41728, 49715, 52160, 78080, 79544, 83456, 99430, 104320, 156160, 159088, 198860, 208640, 318176, 397720, 417280, 636352, 795440, 1272704, 1590880, 2545408, 3181760, 5090816, 6363520, 12727040, 25454080]

約数ペア:

[(1, 25454080), (2, 12727040), (4, 6363520), (5, 5090816), (8, 3181760), (10, 2545408), (16, 1590880), (20, 1272704), (32, 795440), (40, 636352), (61, 417280), (64, 397720), (80, 318176), (122, 208640), (128, 198860), (160, 159088), (163, 156160), (244, 104320), (256, 99430), (305, 83456), (320, 79544), (326, 78080), (488, 52160), (512, 49715), (610, 41728), (640, 39772), (652, 39040), (815, 31232), (976, 26080), (1220, 20864), (1280, 19886), (1304, 19520), (1630, 15616), (1952, 13040), (2440, 10432), (2560, 9943), (2608, 9760), (3260, 7808), (3904, 6520), (4880, 5216)]