28218160

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{12163}}^1$

素因数の和:12205

約数の個数: 40

約数和(自身を含む): 67875120

約数和(自身を除く): 39656960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 12163, 24326, 48652, 60815, 97304, 121630, 194608, 243260, 352727, 486520, 705454, 973040, 1410908, 1763635, 2821816, 3527270, 5643632, 7054540, 14109080, 28218160]

約数ペア:

[(1, 28218160), (2, 14109080), (4, 7054540), (5, 5643632), (8, 3527270), (10, 2821816), (16, 1763635), (20, 1410908), (29, 973040), (40, 705454), (58, 486520), (80, 352727), (116, 243260), (145, 194608), (232, 121630), (290, 97304), (464, 60815), (580, 48652), (1160, 24326), (2320, 12163)]