28204240

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{12157}}^1$

素因数の和:12199

約数の個数: 40

約数和(自身を含む): 67841640

約数和(自身を除く): 39637400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 12157, 24314, 48628, 60785, 97256, 121570, 194512, 243140, 352553, 486280, 705106, 972560, 1410212, 1762765, 2820424, 3525530, 5640848, 7051060, 14102120, 28204240]

約数ペア:

[(1, 28204240), (2, 14102120), (4, 7051060), (5, 5640848), (8, 3525530), (10, 2820424), (16, 1762765), (20, 1410212), (29, 972560), (40, 705106), (58, 486280), (80, 352553), (116, 243140), (145, 194512), (232, 121570), (290, 97256), (464, 60785), (580, 48628), (1160, 24314), (2320, 12157)]