264889720

素因数分解:

$2^3\times 5^1\times {\mathrm{727}}^1\times {\mathrm{9109}}^1$

素因数の和:9847

約数の個数: 32

約数和(自身を含む): 596887200

約数和(自身を除く): 331997480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 727, 1454, 2908, 3635, 5816, 7270, 9109, 14540, 18218, 29080, 36436, 45545, 72872, 91090, 182180, 364360, 6622243, 13244486, 26488972, 33111215, 52977944, 66222430, 132444860, 264889720]

約数ペア:

[(1, 264889720), (2, 132444860), (4, 66222430), (5, 52977944), (8, 33111215), (10, 26488972), (20, 13244486), (40, 6622243), (727, 364360), (1454, 182180), (2908, 91090), (3635, 72872), (5816, 45545), (7270, 36436), (9109, 29080), (14540, 18218)]