12496640

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{751}}^1$

素因数の和:785

約数の個数: 72

約数和(自身を含む): 32278848

約数和(自身を除く): 19782208

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 751, 832, 1040, 1280, 1502, 1664, 2080, 3004, 3328, 3755, 4160, 6008, 7510, 8320, 9763, 12016, 15020, 16640, 19526, 24032, 30040, 39052, 48064, 48815, 60080, 78104, 96128, 97630, 120160, 156208, 192256, 195260, 240320, 312416, 390520, 480640, 624832, 781040, 961280, 1249664, 1562080, 2499328, 3124160, 6248320, 12496640]

約数ペア:

[(1, 12496640), (2, 6248320), (4, 3124160), (5, 2499328), (8, 1562080), (10, 1249664), (13, 961280), (16, 781040), (20, 624832), (26, 480640), (32, 390520), (40, 312416), (52, 240320), (64, 195260), (65, 192256), (80, 156208), (104, 120160), (128, 97630), (130, 96128), (160, 78104), (208, 60080), (256, 48815), (260, 48064), (320, 39052), (416, 30040), (520, 24032), (640, 19526), (751, 16640), (832, 15020), (1040, 12016), (1280, 9763), (1502, 8320), (1664, 7510), (2080, 6008), (3004, 4160), (3328, 3755)]