87869440

素因数分解:

$2^{11}\times 5^1\times {\mathrm{8581}}^1$

素因数の和:8608

約数の個数: 48

約数和(自身を含む): 210859740

約数和(自身を除く): 122990300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 5120, 8581, 10240, 17162, 34324, 42905, 68648, 85810, 137296, 171620, 274592, 343240, 549184, 686480, 1098368, 1372960, 2196736, 2745920, 4393472, 5491840, 8786944, 10983680, 17573888, 21967360, 43934720, 87869440]

約数ペア:

[(1, 87869440), (2, 43934720), (4, 21967360), (5, 17573888), (8, 10983680), (10, 8786944), (16, 5491840), (20, 4393472), (32, 2745920), (40, 2196736), (64, 1372960), (80, 1098368), (128, 686480), (160, 549184), (256, 343240), (320, 274592), (512, 171620), (640, 137296), (1024, 85810), (1280, 68648), (2048, 42905), (2560, 34324), (5120, 17162), (8581, 10240)]