51720800

素因数分解:

$2^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{3803}}^1$

素因数の和:3840

約数の個数: 72

約数和(自身を含む): 133725816

約数和(自身を除く): 82005016

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 68, 80, 85, 100, 136, 160, 170, 200, 272, 340, 400, 425, 544, 680, 800, 850, 1360, 1700, 2720, 3400, 3803, 6800, 7606, 13600, 15212, 19015, 30424, 38030, 60848, 64651, 76060, 95075, 121696, 129302, 152120, 190150, 258604, 304240, 323255, 380300, 517208, 608480, 646510, 760600, 1034416, 1293020, 1521200, 1616275, 2068832, 2586040, 3042400, 3232550, 5172080, 6465100, 10344160, 12930200, 25860400, 51720800]

約数ペア:

[(1, 51720800), (2, 25860400), (4, 12930200), (5, 10344160), (8, 6465100), (10, 5172080), (16, 3232550), (17, 3042400), (20, 2586040), (25, 2068832), (32, 1616275), (34, 1521200), (40, 1293020), (50, 1034416), (68, 760600), (80, 646510), (85, 608480), (100, 517208), (136, 380300), (160, 323255), (170, 304240), (200, 258604), (272, 190150), (340, 152120), (400, 129302), (425, 121696), (544, 95075), (680, 76060), (800, 64651), (850, 60848), (1360, 38030), (1700, 30424), (2720, 19015), (3400, 15212), (3803, 13600), (6800, 7606)]