4391440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3229}}^1$

素因数の和:3259

約数の個数: 40

約数和(自身を含む): 10814040

約数和(自身を除く): 6422600

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 3229, 6458, 12916, 16145, 25832, 32290, 51664, 54893, 64580, 109786, 129160, 219572, 258320, 274465, 439144, 548930, 878288, 1097860, 2195720, 4391440]

約数ペア:

[(1, 4391440), (2, 2195720), (4, 1097860), (5, 878288), (8, 548930), (10, 439144), (16, 274465), (17, 258320), (20, 219572), (34, 129160), (40, 109786), (68, 64580), (80, 54893), (85, 51664), (136, 32290), (170, 25832), (272, 16145), (340, 12916), (680, 6458), (1360, 3229)]