13473280

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1$

素因数の和:319

約数の個数: 80

約数和(自身を含む): 34127280

約数和(自身を除く): 20654000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 277, 304, 320, 380, 512, 554, 608, 640, 760, 1108, 1216, 1280, 1385, 1520, 2216, 2432, 2560, 2770, 3040, 4432, 4864, 5263, 5540, 6080, 8864, 9728, 10526, 11080, 12160, 17728, 21052, 22160, 24320, 26315, 35456, 42104, 44320, 48640, 52630, 70912, 84208, 88640, 105260, 141824, 168416, 177280, 210520, 336832, 354560, 421040, 673664, 709120, 842080, 1347328, 1684160, 2694656, 3368320, 6736640, 13473280]

約数ペア:

[(1, 13473280), (2, 6736640), (4, 3368320), (5, 2694656), (8, 1684160), (10, 1347328), (16, 842080), (19, 709120), (20, 673664), (32, 421040), (38, 354560), (40, 336832), (64, 210520), (76, 177280), (80, 168416), (95, 141824), (128, 105260), (152, 88640), (160, 84208), (190, 70912), (256, 52630), (277, 48640), (304, 44320), (320, 42104), (380, 35456), (512, 26315), (554, 24320), (608, 22160), (640, 21052), (760, 17728), (1108, 12160), (1216, 11080), (1280, 10526), (1385, 9728), (1520, 8864), (2216, 6080), (2432, 5540), (2560, 5263), (2770, 4864), (3040, 4432)]