248588680

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{26003}}^1$

素因数の和:26253

約数の個数: 32

約数和(自身を含む): 561686400

約数和(自身を除く): 313097720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 4780, 9560, 26003, 52006, 104012, 130015, 208024, 260030, 520060, 1040120, 6214717, 12429434, 24858868, 31073585, 49717736, 62147170, 124294340, 248588680]

約数ペア:

[(1, 248588680), (2, 124294340), (4, 62147170), (5, 49717736), (8, 31073585), (10, 24858868), (20, 12429434), (40, 6214717), (239, 1040120), (478, 520060), (956, 260030), (1195, 208024), (1912, 130015), (2390, 104012), (4780, 52006), (9560, 26003)]