15839240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23293}}^1$

素因数の和:23321

約数の個数: 32

約数和(自身を含む): 37736280

約数和(自身を除く): 21897040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 23293, 46586, 93172, 116465, 186344, 232930, 395981, 465860, 791962, 931720, 1583924, 1979905, 3167848, 3959810, 7919620, 15839240]

約数ペア:

[(1, 15839240), (2, 7919620), (4, 3959810), (5, 3167848), (8, 1979905), (10, 1583924), (17, 931720), (20, 791962), (34, 465860), (40, 395981), (68, 232930), (85, 186344), (136, 116465), (170, 93172), (340, 46586), (680, 23293)]