817156720

素因数分解:

$2^4\times 5^1\times {\mathrm{1459}}^1\times {\mathrm{7001}}^1$

素因数の和:8473

約数の個数: 40

約数和(自身を含む): 1901463120

約数和(自身を除く): 1084306400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1459, 2918, 5836, 7001, 7295, 11672, 14002, 14590, 23344, 28004, 29180, 35005, 56008, 58360, 70010, 112016, 116720, 140020, 280040, 560080, 10214459, 20428918, 40857836, 51072295, 81715672, 102144590, 163431344, 204289180, 408578360, 817156720]

約数ペア:

[(1, 817156720), (2, 408578360), (4, 204289180), (5, 163431344), (8, 102144590), (10, 81715672), (16, 51072295), (20, 40857836), (40, 20428918), (80, 10214459), (1459, 560080), (2918, 280040), (5836, 140020), (7001, 116720), (7295, 112016), (11672, 70010), (14002, 58360), (14590, 56008), (23344, 35005), (28004, 29180)]