64460800

素因数分解:

$2^{11}\times 5^2\times {\mathrm{1259}}^1$

素因数の和:1291

約数の個数: 72

約数和(自身を含む): 159950700

約数和(自身を除く): 95489900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1024, 1259, 1280, 1600, 2048, 2518, 2560, 3200, 5036, 5120, 6295, 6400, 10072, 10240, 12590, 12800, 20144, 25180, 25600, 31475, 40288, 50360, 51200, 62950, 80576, 100720, 125900, 161152, 201440, 251800, 322304, 402880, 503600, 644608, 805760, 1007200, 1289216, 1611520, 2014400, 2578432, 3223040, 4028800, 6446080, 8057600, 12892160, 16115200, 32230400, 64460800]

約数ペア:

[(1, 64460800), (2, 32230400), (4, 16115200), (5, 12892160), (8, 8057600), (10, 6446080), (16, 4028800), (20, 3223040), (25, 2578432), (32, 2014400), (40, 1611520), (50, 1289216), (64, 1007200), (80, 805760), (100, 644608), (128, 503600), (160, 402880), (200, 322304), (256, 251800), (320, 201440), (400, 161152), (512, 125900), (640, 100720), (800, 80576), (1024, 62950), (1259, 51200), (1280, 50360), (1600, 40288), (2048, 31475), (2518, 25600), (2560, 25180), (3200, 20144), (5036, 12800), (5120, 12590), (6295, 10240), (6400, 10072)]