40889810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{8501}}^1$

素因数の和:8558

約数の個数: 32

約数和(自身を含む): 81415152

約数和(自身を除く): 40525342

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4810, 8501, 17002, 42505, 85010, 110513, 221026, 314537, 552565, 629074, 1105130, 1572685, 3145370, 4088981, 8177962, 20444905, 40889810]

約数ペア:

[(1, 40889810), (2, 20444905), (5, 8177962), (10, 4088981), (13, 3145370), (26, 1572685), (37, 1105130), (65, 629074), (74, 552565), (130, 314537), (185, 221026), (370, 110513), (481, 85010), (962, 42505), (2405, 17002), (4810, 8501)]