25143248

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1109}}^1$

素因数の和:1239

約数の個数: 40

約数和(自身を含む): 52991400

約数和(自身を除く): 27848152

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 109, 208, 218, 436, 872, 1109, 1417, 1744, 2218, 2834, 4436, 5668, 8872, 11336, 14417, 17744, 22672, 28834, 57668, 115336, 120881, 230672, 241762, 483524, 967048, 1571453, 1934096, 3142906, 6285812, 12571624, 25143248]

約数ペア:

[(1, 25143248), (2, 12571624), (4, 6285812), (8, 3142906), (13, 1934096), (16, 1571453), (26, 967048), (52, 483524), (104, 241762), (109, 230672), (208, 120881), (218, 115336), (436, 57668), (872, 28834), (1109, 22672), (1417, 17744), (1744, 14417), (2218, 11336), (2834, 8872), (4436, 5668)]