2195720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3229}}^1$

素因数の和:3257

約数の個数: 32

約数和(自身を含む): 5232600

約数和(自身を除く): 3036880

約数列:

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

約数ペア:

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