40587640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{281}}^1$

素因数の和:472

約数の個数: 64

約数和(自身を含む): 96240960

約数和(自身を除く): 55653320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 157, 184, 230, 281, 314, 460, 562, 628, 785, 920, 1124, 1256, 1405, 1570, 2248, 2810, 3140, 3611, 5620, 6280, 6463, 7222, 11240, 12926, 14444, 18055, 25852, 28888, 32315, 36110, 44117, 51704, 64630, 72220, 88234, 129260, 144440, 176468, 220585, 258520, 352936, 441170, 882340, 1014691, 1764680, 2029382, 4058764, 5073455, 8117528, 10146910, 20293820, 40587640]

約数ペア:

[(1, 40587640), (2, 20293820), (4, 10146910), (5, 8117528), (8, 5073455), (10, 4058764), (20, 2029382), (23, 1764680), (40, 1014691), (46, 882340), (92, 441170), (115, 352936), (157, 258520), (184, 220585), (230, 176468), (281, 144440), (314, 129260), (460, 88234), (562, 72220), (628, 64630), (785, 51704), (920, 44117), (1124, 36110), (1256, 32315), (1405, 28888), (1570, 25852), (2248, 18055), (2810, 14444), (3140, 12926), (3611, 11240), (5620, 7222), (6280, 6463)]