12586880

素因数分解:

$2^7\times 5^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1$

素因数の和:367

約数の個数: 64

約数和(自身を含む): 30624480

約数和(自身を除く): 18037600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 277, 284, 320, 355, 554, 568, 640, 710, 1108, 1136, 1385, 1420, 2216, 2272, 2770, 2840, 4432, 4544, 5540, 5680, 8864, 9088, 11080, 11360, 17728, 19667, 22160, 22720, 35456, 39334, 44320, 45440, 78668, 88640, 98335, 157336, 177280, 196670, 314672, 393340, 629344, 786680, 1258688, 1573360, 2517376, 3146720, 6293440, 12586880]

約数ペア:

[(1, 12586880), (2, 6293440), (4, 3146720), (5, 2517376), (8, 1573360), (10, 1258688), (16, 786680), (20, 629344), (32, 393340), (40, 314672), (64, 196670), (71, 177280), (80, 157336), (128, 98335), (142, 88640), (160, 78668), (277, 45440), (284, 44320), (320, 39334), (355, 35456), (554, 22720), (568, 22160), (640, 19667), (710, 17728), (1108, 11360), (1136, 11080), (1385, 9088), (1420, 8864), (2216, 5680), (2272, 5540), (2770, 4544), (2840, 4432)]