15915520

素因数分解:

$2^9\times 5^1\times {\mathrm{6217}}^1$

素因数の和:6240

約数の個数: 40

約数和(自身を含む): 38166084

約数和(自身を除く): 22250564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 6217, 12434, 24868, 31085, 49736, 62170, 99472, 124340, 198944, 248680, 397888, 497360, 795776, 994720, 1591552, 1989440, 3183104, 3978880, 7957760, 15915520]

約数ペア:

[(1, 15915520), (2, 7957760), (4, 3978880), (5, 3183104), (8, 1989440), (10, 1591552), (16, 994720), (20, 795776), (32, 497360), (40, 397888), (64, 248680), (80, 198944), (128, 124340), (160, 99472), (256, 62170), (320, 49736), (512, 31085), (640, 24868), (1280, 12434), (2560, 6217)]