12727040

素因数分解:

$2^8\times 5^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 31175088

約数和(自身を除く): 18448048

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, 610, 640, 652, 815, 976, 1220, 1280, 1304, 1630, 1952, 2440, 2608, 3260, 3904, 4880, 5216, 6520, 7808, 9760, 9943, 10432, 13040, 15616, 19520, 19886, 20864, 26080, 39040, 39772, 41728, 49715, 52160, 78080, 79544, 99430, 104320, 159088, 198860, 208640, 318176, 397720, 636352, 795440, 1272704, 1590880, 2545408, 3181760, 6363520, 12727040]

約数ペア:

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