40409390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1321}}^1$

素因数の和:1377

約数の個数: 64

約数和(自身を含む): 91376640

約数和(自身を除く): 50967250

約数列:

[1, 2, 5, 7, 10, 14, 19, 23, 35, 38, 46, 70, 95, 115, 133, 161, 190, 230, 266, 322, 437, 665, 805, 874, 1321, 1330, 1610, 2185, 2642, 3059, 4370, 6118, 6605, 9247, 13210, 15295, 18494, 25099, 30383, 30590, 46235, 50198, 60766, 92470, 125495, 151915, 175693, 212681, 250990, 303830, 351386, 425362, 577277, 878465, 1063405, 1154554, 1756930, 2126810, 2886385, 4040939, 5772770, 8081878, 20204695, 40409390]

約数ペア:

[(1, 40409390), (2, 20204695), (5, 8081878), (7, 5772770), (10, 4040939), (14, 2886385), (19, 2126810), (23, 1756930), (35, 1154554), (38, 1063405), (46, 878465), (70, 577277), (95, 425362), (115, 351386), (133, 303830), (161, 250990), (190, 212681), (230, 175693), (266, 151915), (322, 125495), (437, 92470), (665, 60766), (805, 50198), (874, 46235), (1321, 30590), (1330, 30383), (1610, 25099), (2185, 18494), (2642, 15295), (3059, 13210), (4370, 9247), (6118, 6605)]