87203440

素因数分解:

$2^4\times 5^1\times {\mathrm{241}}^1\times {\mathrm{4523}}^1$

素因数の和:4777

約数の個数: 40

約数和(自身を含む): 203634288

約数和(自身を除く): 116430848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 241, 482, 964, 1205, 1928, 2410, 3856, 4523, 4820, 9046, 9640, 18092, 19280, 22615, 36184, 45230, 72368, 90460, 180920, 361840, 1090043, 2180086, 4360172, 5450215, 8720344, 10900430, 17440688, 21800860, 43601720, 87203440]

約数ペア:

[(1, 87203440), (2, 43601720), (4, 21800860), (5, 17440688), (8, 10900430), (10, 8720344), (16, 5450215), (20, 4360172), (40, 2180086), (80, 1090043), (241, 361840), (482, 180920), (964, 90460), (1205, 72368), (1928, 45230), (2410, 36184), (3856, 22615), (4523, 19280), (4820, 18092), (9046, 9640)]