1940720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1427}}^1$

素因数の和:1457

約数の個数: 40

約数和(自身を含む): 4780944

約数和(自身を除く): 2840224

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 1427, 2854, 5708, 7135, 11416, 14270, 22832, 24259, 28540, 48518, 57080, 97036, 114160, 121295, 194072, 242590, 388144, 485180, 970360, 1940720]

約数ペア:

[(1, 1940720), (2, 970360), (4, 485180), (5, 388144), (8, 242590), (10, 194072), (16, 121295), (17, 114160), (20, 97036), (34, 57080), (40, 48518), (68, 28540), (80, 24259), (85, 22832), (136, 14270), (170, 11416), (272, 7135), (340, 5708), (680, 2854), (1360, 1427)]