71533750

素因数分解:

$2^1\times 5^4\times {\mathrm{89}}^1\times {\mathrm{643}}^1$

素因数の和:754

約数の個数: 40

約数和(自身を含む): 135800280

約数和(自身を除く): 64266530

約数列:

[1, 2, 5, 10, 25, 50, 89, 125, 178, 250, 445, 625, 643, 890, 1250, 1286, 2225, 3215, 4450, 6430, 11125, 16075, 22250, 32150, 55625, 57227, 80375, 111250, 114454, 160750, 286135, 401875, 572270, 803750, 1430675, 2861350, 7153375, 14306750, 35766875, 71533750]

約数ペア:

[(1, 71533750), (2, 35766875), (5, 14306750), (10, 7153375), (25, 2861350), (50, 1430675), (89, 803750), (125, 572270), (178, 401875), (250, 286135), (445, 160750), (625, 114454), (643, 111250), (890, 80375), (1250, 57227), (1286, 55625), (2225, 32150), (3215, 22250), (4450, 16075), (6430, 11125)]