131494400

素因数分解:

$2^9\times 5^2\times {\mathrm{10273}}^1$

素因数の和:10301

約数の個数: 60

約数和(自身を含む): 325819362

約数和(自身を除く): 194324962

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, 10273, 12800, 20546, 41092, 51365, 82184, 102730, 164368, 205460, 256825, 328736, 410920, 513650, 657472, 821840, 1027300, 1314944, 1643680, 2054600, 2629888, 3287360, 4109200, 5259776, 6574720, 8218400, 13149440, 16436800, 26298880, 32873600, 65747200, 131494400]

約数ペア:

[(1, 131494400), (2, 65747200), (4, 32873600), (5, 26298880), (8, 16436800), (10, 13149440), (16, 8218400), (20, 6574720), (25, 5259776), (32, 4109200), (40, 3287360), (50, 2629888), (64, 2054600), (80, 1643680), (100, 1314944), (128, 1027300), (160, 821840), (200, 657472), (256, 513650), (320, 410920), (400, 328736), (512, 256825), (640, 205460), (800, 164368), (1280, 102730), (1600, 82184), (2560, 51365), (3200, 41092), (6400, 20546), (10273, 12800)]