25251720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16187}}^1$

素因数の和:16214

約数の個数: 64

約数和(自身を含む): 81587520

約数和(自身を除く): 56335800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 16187, 32374, 48561, 64748, 80935, 97122, 129496, 161870, 194244, 210431, 242805, 323740, 388488, 420862, 485610, 631293, 647480, 841724, 971220, 1052155, 1262586, 1683448, 1942440, 2104310, 2525172, 3156465, 4208620, 5050344, 6312930, 8417240, 12625860, 25251720]

約数ペア:

[(1, 25251720), (2, 12625860), (3, 8417240), (4, 6312930), (5, 5050344), (6, 4208620), (8, 3156465), (10, 2525172), (12, 2104310), (13, 1942440), (15, 1683448), (20, 1262586), (24, 1052155), (26, 971220), (30, 841724), (39, 647480), (40, 631293), (52, 485610), (60, 420862), (65, 388488), (78, 323740), (104, 242805), (120, 210431), (130, 194244), (156, 161870), (195, 129496), (260, 97122), (312, 80935), (390, 64748), (520, 48561), (780, 32374), (1560, 16187)]