31817600

素因数分解:

$2^7\times 5^2\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:248

約数の個数: 96

約数和(自身を含む): 80378040

約数和(自身を除く): 48560440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 61, 64, 80, 100, 122, 128, 160, 163, 200, 244, 305, 320, 326, 400, 488, 610, 640, 652, 800, 815, 976, 1220, 1304, 1525, 1600, 1630, 1952, 2440, 2608, 3050, 3200, 3260, 3904, 4075, 4880, 5216, 6100, 6520, 7808, 8150, 9760, 9943, 10432, 12200, 13040, 16300, 19520, 19886, 20864, 24400, 26080, 32600, 39040, 39772, 48800, 49715, 52160, 65200, 79544, 97600, 99430, 104320, 130400, 159088, 195200, 198860, 248575, 260800, 318176, 397720, 497150, 521600, 636352, 795440, 994300, 1272704, 1590880, 1988600, 3181760, 3977200, 6363520, 7954400, 15908800, 31817600]

約数ペア:

[(1, 31817600), (2, 15908800), (4, 7954400), (5, 6363520), (8, 3977200), (10, 3181760), (16, 1988600), (20, 1590880), (25, 1272704), (32, 994300), (40, 795440), (50, 636352), (61, 521600), (64, 497150), (80, 397720), (100, 318176), (122, 260800), (128, 248575), (160, 198860), (163, 195200), (200, 159088), (244, 130400), (305, 104320), (320, 99430), (326, 97600), (400, 79544), (488, 65200), (610, 52160), (640, 49715), (652, 48800), (800, 39772), (815, 39040), (976, 32600), (1220, 26080), (1304, 24400), (1525, 20864), (1600, 19886), (1630, 19520), (1952, 16300), (2440, 13040), (2608, 12200), (3050, 10432), (3200, 9943), (3260, 9760), (3904, 8150), (4075, 7808), (4880, 6520), (5216, 6100)]