1640890730

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1\times {\mathrm{22549}}^1$

素因数の和:22958

約数の個数: 32

約数和(自身を含む): 3117312000

約数和(自身を除く): 1476421270

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 383, 766, 1915, 3830, 7277, 14554, 22549, 36385, 45098, 72770, 112745, 225490, 428431, 856862, 2142155, 4284310, 8636267, 17272534, 43181335, 86362670, 164089073, 328178146, 820445365, 1640890730]

約数ペア:

[(1, 1640890730), (2, 820445365), (5, 328178146), (10, 164089073), (19, 86362670), (38, 43181335), (95, 17272534), (190, 8636267), (383, 4284310), (766, 2142155), (1915, 856862), (3830, 428431), (7277, 225490), (14554, 112745), (22549, 72770), (36385, 45098)]