16679720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1291}}^1$

素因数の和:1338

約数の個数: 64

約数和(自身を含む): 41860800

約数和(自身を除く): 25181080

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 323, 340, 380, 646, 680, 760, 1291, 1292, 1615, 2582, 2584, 3230, 5164, 6455, 6460, 10328, 12910, 12920, 21947, 24529, 25820, 43894, 49058, 51640, 87788, 98116, 109735, 122645, 175576, 196232, 219470, 245290, 416993, 438940, 490580, 833986, 877880, 981160, 1667972, 2084965, 3335944, 4169930, 8339860, 16679720]

約数ペア:

[(1, 16679720), (2, 8339860), (4, 4169930), (5, 3335944), (8, 2084965), (10, 1667972), (17, 981160), (19, 877880), (20, 833986), (34, 490580), (38, 438940), (40, 416993), (68, 245290), (76, 219470), (85, 196232), (95, 175576), (136, 122645), (152, 109735), (170, 98116), (190, 87788), (323, 51640), (340, 49058), (380, 43894), (646, 25820), (680, 24529), (760, 21947), (1291, 12920), (1292, 12910), (1615, 10328), (2582, 6460), (2584, 6455), (3230, 5164)]