28914080

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13901}}^1$

素因数の和:13929

約数の個数: 48

約数和(自身を含む): 73569384

約数和(自身を除く): 44655304

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 13901, 27802, 55604, 69505, 111208, 139010, 180713, 222416, 278020, 361426, 444832, 556040, 722852, 903565, 1112080, 1445704, 1807130, 2224160, 2891408, 3614260, 5782816, 7228520, 14457040, 28914080]

約数ペア:

[(1, 28914080), (2, 14457040), (4, 7228520), (5, 5782816), (8, 3614260), (10, 2891408), (13, 2224160), (16, 1807130), (20, 1445704), (26, 1112080), (32, 903565), (40, 722852), (52, 556040), (65, 444832), (80, 361426), (104, 278020), (130, 222416), (160, 180713), (208, 139010), (260, 111208), (416, 69505), (520, 55604), (1040, 27802), (2080, 13901)]