39520070

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:225

約数の個数: 64

約数和(自身を含む): 79387776

約数和(自身を除く): 39867706

約数列:

[1, 2, 5, 10, 17, 34, 37, 61, 74, 85, 103, 122, 170, 185, 206, 305, 370, 515, 610, 629, 1030, 1037, 1258, 1751, 2074, 2257, 3145, 3502, 3811, 4514, 5185, 6283, 6290, 7622, 8755, 10370, 11285, 12566, 17510, 19055, 22570, 31415, 38110, 38369, 62830, 64787, 76738, 106811, 129574, 191845, 213622, 232471, 323935, 383690, 464942, 534055, 647870, 1068110, 1162355, 2324710, 3952007, 7904014, 19760035, 39520070]

約数ペア:

[(1, 39520070), (2, 19760035), (5, 7904014), (10, 3952007), (17, 2324710), (34, 1162355), (37, 1068110), (61, 647870), (74, 534055), (85, 464942), (103, 383690), (122, 323935), (170, 232471), (185, 213622), (206, 191845), (305, 129574), (370, 106811), (515, 76738), (610, 64787), (629, 62830), (1030, 38369), (1037, 38110), (1258, 31415), (1751, 22570), (2074, 19055), (2257, 17510), (3145, 12566), (3502, 11285), (3811, 10370), (4514, 8755), (5185, 7622), (6283, 6290)]