80001530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{4447}}^1$

素因数の和:4718

約数の個数: 32

約数和(自身を含む): 165252096

約数和(自身を除く): 85250566

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 257, 514, 1285, 1799, 2570, 3598, 4447, 8894, 8995, 17990, 22235, 31129, 44470, 62258, 155645, 311290, 1142879, 2285758, 5714395, 8000153, 11428790, 16000306, 40000765, 80001530]

約数ペア:

[(1, 80001530), (2, 40000765), (5, 16000306), (7, 11428790), (10, 8000153), (14, 5714395), (35, 2285758), (70, 1142879), (257, 311290), (514, 155645), (1285, 62258), (1799, 44470), (2570, 31129), (3598, 22235), (4447, 17990), (8894, 8995)]