17820160

素因数分解:

$2^9\times 5^1\times {\mathrm{6961}}^1$

素因数の和:6984

約数の個数: 40

約数和(自身を含む): 42732756

約数和(自身を除く): 24912596

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 6961, 13922, 27844, 34805, 55688, 69610, 111376, 139220, 222752, 278440, 445504, 556880, 891008, 1113760, 1782016, 2227520, 3564032, 4455040, 8910080, 17820160]

約数ペア:

[(1, 17820160), (2, 8910080), (4, 4455040), (5, 3564032), (8, 2227520), (10, 1782016), (16, 1113760), (20, 891008), (32, 556880), (40, 445504), (64, 278440), (80, 222752), (128, 139220), (160, 111376), (256, 69610), (320, 55688), (512, 34805), (640, 27844), (1280, 13922), (2560, 6961)]