18336640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{4093}}^1$

素因数の和:4119

約数の個数: 64

約数和(自身を含む): 50110560

約数和(自身を除く): 31773920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4093, 4480, 8186, 16372, 20465, 28651, 32744, 40930, 57302, 65488, 81860, 114604, 130976, 143255, 163720, 229208, 261952, 286510, 327440, 458416, 523904, 573020, 654880, 916832, 1146040, 1309760, 1833664, 2292080, 2619520, 3667328, 4584160, 9168320, 18336640]

約数ペア:

[(1, 18336640), (2, 9168320), (4, 4584160), (5, 3667328), (7, 2619520), (8, 2292080), (10, 1833664), (14, 1309760), (16, 1146040), (20, 916832), (28, 654880), (32, 573020), (35, 523904), (40, 458416), (56, 327440), (64, 286510), (70, 261952), (80, 229208), (112, 163720), (128, 143255), (140, 130976), (160, 114604), (224, 81860), (280, 65488), (320, 57302), (448, 40930), (560, 32744), (640, 28651), (896, 20465), (1120, 16372), (2240, 8186), (4093, 4480)]