16004480

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1471}}^1$

素因数の和:1507

約数の個数: 64

約数和(自身を含む): 40538880

約数和(自身を除く): 24534400

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 1471, 2176, 2720, 2942, 5440, 5884, 7355, 10880, 11768, 14710, 23536, 25007, 29420, 47072, 50014, 58840, 94144, 100028, 117680, 125035, 188288, 200056, 235360, 250070, 400112, 470720, 500140, 800224, 941440, 1000280, 1600448, 2000560, 3200896, 4001120, 8002240, 16004480]

約数ペア:

[(1, 16004480), (2, 8002240), (4, 4001120), (5, 3200896), (8, 2000560), (10, 1600448), (16, 1000280), (17, 941440), (20, 800224), (32, 500140), (34, 470720), (40, 400112), (64, 250070), (68, 235360), (80, 200056), (85, 188288), (128, 125035), (136, 117680), (160, 100028), (170, 94144), (272, 58840), (320, 50014), (340, 47072), (544, 29420), (640, 25007), (680, 23536), (1088, 14710), (1360, 11768), (1471, 10880), (2176, 7355), (2720, 5884), (2942, 5440)]