40681185680

素因数分解:

$2^4\times 5^1\times {\mathrm{557}}^1\times {\mathrm{912953}}^1$

素因数の和:913523

約数の個数: 40

約数和(自身を含む): 94753669752

約数和(自身を除く): 54072484072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 557, 1114, 2228, 2785, 4456, 5570, 8912, 11140, 22280, 44560, 912953, 1825906, 3651812, 4564765, 7303624, 9129530, 14607248, 18259060, 36518120, 73036240, 508514821, 1017029642, 2034059284, 2542574105, 4068118568, 5085148210, 8136237136, 10170296420, 20340592840, 40681185680]

約数ペア:

[(1, 40681185680), (2, 20340592840), (4, 10170296420), (5, 8136237136), (8, 5085148210), (10, 4068118568), (16, 2542574105), (20, 2034059284), (40, 1017029642), (80, 508514821), (557, 73036240), (1114, 36518120), (2228, 18259060), (2785, 14607248), (4456, 9129530), (5570, 7303624), (8912, 4564765), (11140, 3651812), (22280, 1825906), (44560, 912953)]