29120800

素因数分解:

$2^5\times 5^2\times {\mathrm{89}}^1\times {\mathrm{409}}^1$

素因数の和:518

約数の個数: 72

約数和(自身を含む): 72065700

約数和(自身を除く): 42944900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 89, 100, 160, 178, 200, 356, 400, 409, 445, 712, 800, 818, 890, 1424, 1636, 1780, 2045, 2225, 2848, 3272, 3560, 4090, 4450, 6544, 7120, 8180, 8900, 10225, 13088, 14240, 16360, 17800, 20450, 32720, 35600, 36401, 40900, 65440, 71200, 72802, 81800, 145604, 163600, 182005, 291208, 327200, 364010, 582416, 728020, 910025, 1164832, 1456040, 1820050, 2912080, 3640100, 5824160, 7280200, 14560400, 29120800]

約数ペア:

[(1, 29120800), (2, 14560400), (4, 7280200), (5, 5824160), (8, 3640100), (10, 2912080), (16, 1820050), (20, 1456040), (25, 1164832), (32, 910025), (40, 728020), (50, 582416), (80, 364010), (89, 327200), (100, 291208), (160, 182005), (178, 163600), (200, 145604), (356, 81800), (400, 72802), (409, 71200), (445, 65440), (712, 40900), (800, 36401), (818, 35600), (890, 32720), (1424, 20450), (1636, 17800), (1780, 16360), (2045, 14240), (2225, 13088), (2848, 10225), (3272, 8900), (3560, 8180), (4090, 7120), (4450, 6544)]