78648320

素因数分解:

$2^{10}\times 5^1\times {\mathrm{15361}}^1$

素因数の和:15386

約数の個数: 44

約数和(自身を含む): 188676084

約数和(自身を除く): 110027764

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, 15361, 30722, 61444, 76805, 122888, 153610, 245776, 307220, 491552, 614440, 983104, 1228880, 1966208, 2457760, 3932416, 4915520, 7864832, 9831040, 15729664, 19662080, 39324160, 78648320]

約数ペア:

[(1, 78648320), (2, 39324160), (4, 19662080), (5, 15729664), (8, 9831040), (10, 7864832), (16, 4915520), (20, 3932416), (32, 2457760), (40, 1966208), (64, 1228880), (80, 983104), (128, 614440), (160, 491552), (256, 307220), (320, 245776), (512, 153610), (640, 122888), (1024, 76805), (1280, 61444), (2560, 30722), (5120, 15361)]