80451560540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16285741}}^1$

素因数の和:16285782

約数の個数: 48

約数和(自身を含む): 191520325920

約数和(自身を除く): 111068765380

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 16285741, 32571482, 65142964, 81428705, 162857410, 211714633, 309429079, 325714820, 423429266, 618858158, 846858532, 1058573165, 1237716316, 1547145395, 2117146330, 3094290790, 4022578027, 4234292660, 6188581580, 8045156054, 16090312108, 20112890135, 40225780270, 80451560540]

約数ペア:

[(1, 80451560540), (2, 40225780270), (4, 20112890135), (5, 16090312108), (10, 8045156054), (13, 6188581580), (19, 4234292660), (20, 4022578027), (26, 3094290790), (38, 2117146330), (52, 1547145395), (65, 1237716316), (76, 1058573165), (95, 846858532), (130, 618858158), (190, 423429266), (247, 325714820), (260, 309429079), (380, 211714633), (494, 162857410), (988, 81428705), (1235, 65142964), (2470, 32571482), (4940, 16285741)]