40921216

素因数分解:

$2^7\times 7^1\times {\mathrm{109}}^1\times {\mathrm{419}}^1$

素因数の和:549

約数の個数: 64

約数和(自身を含む): 94248000

約数和(自身を除く): 53326784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 109, 112, 128, 218, 224, 419, 436, 448, 763, 838, 872, 896, 1526, 1676, 1744, 2933, 3052, 3352, 3488, 5866, 6104, 6704, 6976, 11732, 12208, 13408, 13952, 23464, 24416, 26816, 45671, 46928, 48832, 53632, 91342, 93856, 97664, 182684, 187712, 319697, 365368, 375424, 639394, 730736, 1278788, 1461472, 2557576, 2922944, 5115152, 5845888, 10230304, 20460608, 40921216]

約数ペア:

[(1, 40921216), (2, 20460608), (4, 10230304), (7, 5845888), (8, 5115152), (14, 2922944), (16, 2557576), (28, 1461472), (32, 1278788), (56, 730736), (64, 639394), (109, 375424), (112, 365368), (128, 319697), (218, 187712), (224, 182684), (419, 97664), (436, 93856), (448, 91342), (763, 53632), (838, 48832), (872, 46928), (896, 45671), (1526, 26816), (1676, 24416), (1744, 23464), (2933, 13952), (3052, 13408), (3352, 12208), (3488, 11732), (5866, 6976), (6104, 6704)]