130140280

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{13613}}^1$

素因数の和:13863

約数の個数: 32

約数和(自身を含む): 294062400

約数和(自身を除く): 163922120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 4780, 9560, 13613, 27226, 54452, 68065, 108904, 136130, 272260, 544520, 3253507, 6507014, 13014028, 16267535, 26028056, 32535070, 65070140, 130140280]

約数ペア:

[(1, 130140280), (2, 65070140), (4, 32535070), (5, 26028056), (8, 16267535), (10, 13014028), (20, 6507014), (40, 3253507), (239, 544520), (478, 272260), (956, 136130), (1195, 108904), (1912, 68065), (2390, 54452), (4780, 27226), (9560, 13613)]