20172534400

素因数分解:

$2^7\times 5^2\times {\mathrm{409}}^1\times {\mathrm{15413}}^1$

素因数の和:15846

約数の個数: 96

約数和(自身を含む): 49957544700

約数和(自身を除く): 29785010300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 409, 640, 800, 818, 1600, 1636, 2045, 3200, 3272, 4090, 6544, 8180, 10225, 13088, 15413, 16360, 20450, 26176, 30826, 32720, 40900, 52352, 61652, 65440, 77065, 81800, 123304, 130880, 154130, 163600, 246608, 261760, 308260, 327200, 385325, 493216, 616520, 654400, 770650, 986432, 1233040, 1308800, 1541300, 1972864, 2466080, 3082600, 4932160, 6165200, 6303917, 9864320, 12330400, 12607834, 24660800, 25215668, 31519585, 49321600, 50431336, 63039170, 100862672, 126078340, 157597925, 201725344, 252156680, 315195850, 403450688, 504313360, 630391700, 806901376, 1008626720, 1260783400, 2017253440, 2521566800, 4034506880, 5043133600, 10086267200, 20172534400]

約数ペア:

[(1, 20172534400), (2, 10086267200), (4, 5043133600), (5, 4034506880), (8, 2521566800), (10, 2017253440), (16, 1260783400), (20, 1008626720), (25, 806901376), (32, 630391700), (40, 504313360), (50, 403450688), (64, 315195850), (80, 252156680), (100, 201725344), (128, 157597925), (160, 126078340), (200, 100862672), (320, 63039170), (400, 50431336), (409, 49321600), (640, 31519585), (800, 25215668), (818, 24660800), (1600, 12607834), (1636, 12330400), (2045, 9864320), (3200, 6303917), (3272, 6165200), (4090, 4932160), (6544, 3082600), (8180, 2466080), (10225, 1972864), (13088, 1541300), (15413, 1308800), (16360, 1233040), (20450, 986432), (26176, 770650), (30826, 654400), (32720, 616520), (40900, 493216), (52352, 385325), (61652, 327200), (65440, 308260), (77065, 261760), (81800, 246608), (123304, 163600), (130880, 154130)]