131468800

素因数分解:

$2^9\times 5^2\times {\mathrm{10271}}^1$

素因数の和:10299

約数の個数: 60

約数和(自身を含む): 325755936

約数和(自身を除く): 194287136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1280, 1600, 2560, 3200, 6400, 10271, 12800, 20542, 41084, 51355, 82168, 102710, 164336, 205420, 256775, 328672, 410840, 513550, 657344, 821680, 1027100, 1314688, 1643360, 2054200, 2629376, 3286720, 4108400, 5258752, 6573440, 8216800, 13146880, 16433600, 26293760, 32867200, 65734400, 131468800]

約数ペア:

[(1, 131468800), (2, 65734400), (4, 32867200), (5, 26293760), (8, 16433600), (10, 13146880), (16, 8216800), (20, 6573440), (25, 5258752), (32, 4108400), (40, 3286720), (50, 2629376), (64, 2054200), (80, 1643360), (100, 1314688), (128, 1027100), (160, 821680), (200, 657344), (256, 513550), (320, 410840), (400, 328672), (512, 256775), (640, 205420), (800, 164336), (1280, 102710), (1600, 82168), (2560, 51355), (3200, 41084), (6400, 20542), (10271, 12800)]