28219360

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13567}}^1$

素因数の和:13595

約数の個数: 48

約数和(自身を含む): 71801856

約数和(自身を除く): 43582496

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, 13567, 27134, 54268, 67835, 108536, 135670, 176371, 217072, 271340, 352742, 434144, 542680, 705484, 881855, 1085360, 1410968, 1763710, 2170720, 2821936, 3527420, 5643872, 7054840, 14109680, 28219360]

約数ペア:

[(1, 28219360), (2, 14109680), (4, 7054840), (5, 5643872), (8, 3527420), (10, 2821936), (13, 2170720), (16, 1763710), (20, 1410968), (26, 1085360), (32, 881855), (40, 705484), (52, 542680), (65, 434144), (80, 352742), (104, 271340), (130, 217072), (160, 176371), (208, 135670), (260, 108536), (416, 67835), (520, 54268), (1040, 27134), (2080, 13567)]