28231450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^3\times {\mathrm{257}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 57105720

約数和(自身を除く): 28874270

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 169, 257, 325, 338, 514, 650, 845, 1285, 1690, 2197, 2570, 3341, 4225, 4394, 6425, 6682, 8450, 10985, 12850, 16705, 21970, 33410, 43433, 54925, 83525, 86866, 109850, 167050, 217165, 434330, 564629, 1085825, 1129258, 2171650, 2823145, 5646290, 14115725, 28231450]

約数ペア:

[(1, 28231450), (2, 14115725), (5, 5646290), (10, 2823145), (13, 2171650), (25, 1129258), (26, 1085825), (50, 564629), (65, 434330), (130, 217165), (169, 167050), (257, 109850), (325, 86866), (338, 83525), (514, 54925), (650, 43433), (845, 33410), (1285, 21970), (1690, 16705), (2197, 12850), (2570, 10985), (3341, 8450), (4225, 6682), (4394, 6425)]