27149720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{479}}^1$

素因数の和:612

約数の個数: 64

約数和(自身を含む): 66528000

約数和(自身を除く): 39378280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 109, 130, 218, 260, 436, 479, 520, 545, 872, 958, 1090, 1417, 1916, 2180, 2395, 2834, 3832, 4360, 4790, 5668, 6227, 7085, 9580, 11336, 12454, 14170, 19160, 24908, 28340, 31135, 49816, 52211, 56680, 62270, 104422, 124540, 208844, 249080, 261055, 417688, 522110, 678743, 1044220, 1357486, 2088440, 2714972, 3393715, 5429944, 6787430, 13574860, 27149720]

約数ペア:

[(1, 27149720), (2, 13574860), (4, 6787430), (5, 5429944), (8, 3393715), (10, 2714972), (13, 2088440), (20, 1357486), (26, 1044220), (40, 678743), (52, 522110), (65, 417688), (104, 261055), (109, 249080), (130, 208844), (218, 124540), (260, 104422), (436, 62270), (479, 56680), (520, 52211), (545, 49816), (872, 31135), (958, 28340), (1090, 24908), (1417, 19160), (1916, 14170), (2180, 12454), (2395, 11336), (2834, 9580), (3832, 7085), (4360, 6227), (4790, 5668)]