40017940520

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{317}}^1\times {\mathrm{85297}}^1$

素因数の和:85662

約数の個数: 64

約数和(自身を含む): 92766692880

約数和(自身を除く): 52748752360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 317, 370, 634, 740, 1268, 1480, 1585, 2536, 3170, 6340, 11729, 12680, 23458, 46916, 58645, 85297, 93832, 117290, 170594, 234580, 341188, 426485, 469160, 682376, 852970, 1705940, 3155989, 3411880, 6311978, 12623956, 15779945, 25247912, 27039149, 31559890, 54078298, 63119780, 108156596, 126239560, 135195745, 216313192, 270391490, 540782980, 1000448513, 1081565960, 2000897026, 4001794052, 5002242565, 8003588104, 10004485130, 20008970260, 40017940520]

約数ペア:

[(1, 40017940520), (2, 20008970260), (4, 10004485130), (5, 8003588104), (8, 5002242565), (10, 4001794052), (20, 2000897026), (37, 1081565960), (40, 1000448513), (74, 540782980), (148, 270391490), (185, 216313192), (296, 135195745), (317, 126239560), (370, 108156596), (634, 63119780), (740, 54078298), (1268, 31559890), (1480, 27039149), (1585, 25247912), (2536, 15779945), (3170, 12623956), (6340, 6311978), (11729, 3411880), (12680, 3155989), (23458, 1705940), (46916, 852970), (58645, 682376), (85297, 469160), (93832, 426485), (117290, 341188), (170594, 234580)]