40109480

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{661}}^1$

素因数の和:750

約数の個数: 64

約数和(自身を含む): 95089680

約数和(自身を除く): 54980200

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 41, 74, 82, 148, 164, 185, 205, 296, 328, 370, 410, 661, 740, 820, 1322, 1480, 1517, 1640, 2644, 3034, 3305, 5288, 6068, 6610, 7585, 12136, 13220, 15170, 24457, 26440, 27101, 30340, 48914, 54202, 60680, 97828, 108404, 122285, 135505, 195656, 216808, 244570, 271010, 489140, 542020, 978280, 1002737, 1084040, 2005474, 4010948, 5013685, 8021896, 10027370, 20054740, 40109480]

約数ペア:

[(1, 40109480), (2, 20054740), (4, 10027370), (5, 8021896), (8, 5013685), (10, 4010948), (20, 2005474), (37, 1084040), (40, 1002737), (41, 978280), (74, 542020), (82, 489140), (148, 271010), (164, 244570), (185, 216808), (205, 195656), (296, 135505), (328, 122285), (370, 108404), (410, 97828), (661, 60680), (740, 54202), (820, 48914), (1322, 30340), (1480, 27101), (1517, 26440), (1640, 24457), (2644, 15170), (3034, 13220), (3305, 12136), (5288, 7585), (6068, 6610)]