71378320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{68633}}^1$

素因数の和:68659

約数の個数: 40

約数和(自身を含む): 178722936

約数和(自身を除く): 107344616

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 68633, 137266, 274532, 343165, 549064, 686330, 892229, 1098128, 1372660, 1784458, 2745320, 3568916, 4461145, 5490640, 7137832, 8922290, 14275664, 17844580, 35689160, 71378320]

約数ペア:

[(1, 71378320), (2, 35689160), (4, 17844580), (5, 14275664), (8, 8922290), (10, 7137832), (13, 5490640), (16, 4461145), (20, 3568916), (26, 2745320), (40, 1784458), (52, 1372660), (65, 1098128), (80, 892229), (104, 686330), (130, 549064), (208, 343165), (260, 274532), (520, 137266), (1040, 68633)]