129336320

素因数分解:

$2^{10}\times 5^1\times {\mathrm{25261}}^1$

素因数の和:25286

約数の個数: 44

約数和(自身を含む): 310267884

約数和(自身を除く): 180931564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 25261, 50522, 101044, 126305, 202088, 252610, 404176, 505220, 808352, 1010440, 1616704, 2020880, 3233408, 4041760, 6466816, 8083520, 12933632, 16167040, 25867264, 32334080, 64668160, 129336320]

約数ペア:

[(1, 129336320), (2, 64668160), (4, 32334080), (5, 25867264), (8, 16167040), (10, 12933632), (16, 8083520), (20, 6466816), (32, 4041760), (40, 3233408), (64, 2020880), (80, 1616704), (128, 1010440), (160, 808352), (256, 505220), (320, 404176), (512, 252610), (640, 202088), (1024, 126305), (1280, 101044), (2560, 50522), (5120, 25261)]