120981775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 167051808

約数和(自身を除く): 46070033

約数列:

[1, 5, 17, 25, 41, 53, 85, 131, 205, 265, 425, 655, 697, 901, 1025, 1325, 2173, 2227, 3275, 3485, 4505, 5371, 6943, 10865, 11135, 17425, 22525, 26855, 34715, 36941, 54325, 55675, 91307, 118031, 134275, 173575, 184705, 284663, 456535, 590155, 923525, 1423315, 2282675, 2950775, 4839271, 7116575, 24196355, 120981775]

約数ペア:

[(1, 120981775), (5, 24196355), (17, 7116575), (25, 4839271), (41, 2950775), (53, 2282675), (85, 1423315), (131, 923525), (205, 590155), (265, 456535), (425, 284663), (655, 184705), (697, 173575), (901, 134275), (1025, 118031), (1325, 91307), (2173, 55675), (2227, 54325), (3275, 36941), (3485, 34715), (4505, 26855), (5371, 22525), (6943, 17425), (10865, 11135)]