90542080

素因数分解:

$2^{12}\times 5^1\times {\mathrm{4421}}^1$

素因数の和:4450

約数の個数: 52

約数和(自身を含む): 217323612

約数和(自身を除く): 126781532

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, 4096, 4421, 5120, 8842, 10240, 17684, 20480, 22105, 35368, 44210, 70736, 88420, 141472, 176840, 282944, 353680, 565888, 707360, 1131776, 1414720, 2263552, 2829440, 4527104, 5658880, 9054208, 11317760, 18108416, 22635520, 45271040, 90542080]

約数ペア:

[(1, 90542080), (2, 45271040), (4, 22635520), (5, 18108416), (8, 11317760), (10, 9054208), (16, 5658880), (20, 4527104), (32, 2829440), (40, 2263552), (64, 1414720), (80, 1131776), (128, 707360), (160, 565888), (256, 353680), (320, 282944), (512, 176840), (640, 141472), (1024, 88420), (1280, 70736), (2048, 44210), (2560, 35368), (4096, 22105), (4421, 20480), (5120, 17684), (8842, 10240)]