40399760

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:276

約数の個数: 80

約数和(自身を含む): 97962480

約数和(自身を除く): 57562720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 109, 113, 164, 205, 218, 226, 328, 410, 436, 452, 545, 565, 656, 820, 872, 904, 1090, 1130, 1640, 1744, 1808, 2180, 2260, 3280, 4360, 4469, 4520, 4633, 8720, 8938, 9040, 9266, 12317, 17876, 18532, 22345, 23165, 24634, 35752, 37064, 44690, 46330, 49268, 61585, 71504, 74128, 89380, 92660, 98536, 123170, 178760, 185320, 197072, 246340, 357520, 370640, 492680, 504997, 985360, 1009994, 2019988, 2524985, 4039976, 5049970, 8079952, 10099940, 20199880, 40399760]

約数ペア:

[(1, 40399760), (2, 20199880), (4, 10099940), (5, 8079952), (8, 5049970), (10, 4039976), (16, 2524985), (20, 2019988), (40, 1009994), (41, 985360), (80, 504997), (82, 492680), (109, 370640), (113, 357520), (164, 246340), (205, 197072), (218, 185320), (226, 178760), (328, 123170), (410, 98536), (436, 92660), (452, 89380), (545, 74128), (565, 71504), (656, 61585), (820, 49268), (872, 46330), (904, 44690), (1090, 37064), (1130, 35752), (1640, 24634), (1744, 23165), (1808, 22345), (2180, 18532), (2260, 17876), (3280, 12317), (4360, 9266), (4469, 9040), (4520, 8938), (4633, 8720)]