40561990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{15661}}^1$

素因数の和:15712

約数の個数: 32

約数和(自身を含む): 85702464

約数和(自身を除く): 45140474

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 185, 259, 370, 518, 1295, 2590, 15661, 31322, 78305, 109627, 156610, 219254, 548135, 579457, 1096270, 1158914, 2897285, 4056199, 5794570, 8112398, 20280995, 40561990]

約数ペア:

[(1, 40561990), (2, 20280995), (5, 8112398), (7, 5794570), (10, 4056199), (14, 2897285), (35, 1158914), (37, 1096270), (70, 579457), (74, 548135), (185, 219254), (259, 156610), (370, 109627), (518, 78305), (1295, 31322), (2590, 15661)]