40003936

素因数分解:

$2^5\times 7^1\times {\mathrm{271}}^1\times {\mathrm{659}}^1$

素因数の和:947

約数の個数: 48

約数和(自身を含む): 90478080

約数和(自身を除く): 50474144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 271, 542, 659, 1084, 1318, 1897, 2168, 2636, 3794, 4336, 4613, 5272, 7588, 8672, 9226, 10544, 15176, 18452, 21088, 30352, 36904, 60704, 73808, 147616, 178589, 357178, 714356, 1250123, 1428712, 2500246, 2857424, 5000492, 5714848, 10000984, 20001968, 40003936]

約数ペア:

[(1, 40003936), (2, 20001968), (4, 10000984), (7, 5714848), (8, 5000492), (14, 2857424), (16, 2500246), (28, 1428712), (32, 1250123), (56, 714356), (112, 357178), (224, 178589), (271, 147616), (542, 73808), (659, 60704), (1084, 36904), (1318, 30352), (1897, 21088), (2168, 18452), (2636, 15176), (3794, 10544), (4336, 9226), (4613, 8672), (5272, 7588)]